Home / 417,178.31-575,543.25-272,154.58

Finding the Fourth Proportional to 417,178.31, 575,543.25 and 272,154.58

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Solution

The fourth proportional to 417,178.31, 575,543.25 and 272,154.58 is: 375,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,178.31 : 575,543.25 = 272,154.58 : x
  2. Step 2: Convert to fraction form
    417,178.31/575,543.25 = 272,154.58/x
  3. Step 3: Cross multiply
    417,178.31x = 575,543.25 × 272,154.58
  4. Step 4: Simplify right side
    417,178.31x = 156,636,730,036.73
  5. Step 5: Solve for x
    x = 156,636,730,036.73/417,178.31
  6. Step 6: Final answer
    x = 375,467.10

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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.