Cynthia sold his house for $759,000, which was 115% of the amount he bought it for. Calculate the amount he paid for the property.

Let's represent the amount Cynthia paid for the property as x.

115% of the amount he bought it for is 115/100 * x = 759,000.
Multiplying both sides of the equation by 100/115, we get x = 759,000 * (100/115) = $660,000.
Therefore, Cynthia paid $660,000 for the property.