Home / 461,398.96-636,488.04-375,454.72

Finding the Fourth Proportional to 461,398.96, 636,488.04 and 375,454.72

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Solution

The fourth proportional to 461,398.96, 636,488.04 and 375,454.72 is: 517,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,398.96 : 636,488.04 = 375,454.72 : x
  2. Step 2: Convert to fraction form
    461,398.96/636,488.04 = 375,454.72/x
  3. Step 3: Cross multiply
    461,398.96x = 636,488.04 × 375,454.72
  4. Step 4: Simplify right side
    461,398.96x = 238,972,438,841.55
  5. Step 5: Solve for x
    x = 238,972,438,841.55/461,398.96
  6. Step 6: Final answer
    x = 517,930.16

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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.