Finding the Fourth Proportional to 1,721,353.19, 2,581,936.34 and 523,182.09
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Solution
The fourth proportional to 1,721,353.19, 2,581,936.34 and 523,182.09 is: 784,744.73
Step by Step Solution
- Step 1: Write the proportion equation
1,721,353.19 : 2,581,936.34 = 523,182.09 : x - Step 2: Convert to fraction form
1,721,353.19/2,581,936.34 = 523,182.09/x - Step 3: Cross multiply
1,721,353.19x = 2,581,936.34 × 523,182.09 - Step 4: Simplify right side
1,721,353.19x = 1,350,822,850,608.15 - Step 5: Solve for x
x = 1,350,822,850,608.15/1,721,353.19 - Step 6: Final answer
x = 784,744.73
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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.