Home / 541,175.13-812,042.66-392,641.38

Finding the Fourth Proportional to 541,175.13, 812,042.66 and 392,641.38

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Solution

The fourth proportional to 541,175.13, 812,042.66 and 392,641.38 is: 589,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,175.13 : 812,042.66 = 392,641.38 : x
  2. Step 2: Convert to fraction form
    541,175.13/812,042.66 = 392,641.38/x
  3. Step 3: Cross multiply
    541,175.13x = 812,042.66 × 392,641.38
  4. Step 4: Simplify right side
    541,175.13x = 318,841,551,622.87
  5. Step 5: Solve for x
    x = 318,841,551,622.87/541,175.13
  6. Step 6: Final answer
    x = 589,165.20

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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.