Finding the Fourth Proportional to 984,472.53, 1,358,572.14 and 531,763.53
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Solution
The fourth proportional to 984,472.53, 1,358,572.14 and 531,763.53 is: 733,833.70
Step by Step Solution
- Step 1: Write the proportion equation
984,472.53 : 1,358,572.14 = 531,763.53 : x - Step 2: Convert to fraction form
984,472.53/1,358,572.14 = 531,763.53/x - Step 3: Cross multiply
984,472.53x = 1,358,572.14 × 531,763.53 - Step 4: Simplify right side
984,472.53x = 722,439,116,926.05 - Step 5: Solve for x
x = 722,439,116,926.05/984,472.53 - Step 6: Final answer
x = 733,833.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.