Finding the Fourth Proportional to 1,720,753.73, 2,578,805.47 and 655,214.53
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Solution
The fourth proportional to 1,720,753.73, 2,578,805.47 and 655,214.53 is: 981,936.45
Step by Step Solution
- Step 1: Write the proportion equation
1,720,753.73 : 2,578,805.47 = 655,214.53 : x - Step 2: Convert to fraction form
1,720,753.73/2,578,805.47 = 655,214.53/x - Step 3: Cross multiply
1,720,753.73x = 2,578,805.47 × 655,214.53 - Step 4: Simplify right side
1,720,753.73x = 1,689,670,813,987.48 - Step 5: Solve for x
x = 1,689,670,813,987.48/1,720,753.73 - Step 6: Final answer
x = 981,936.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.