Home / 461,455.87-636,553.23-270,432.36

Finding the Fourth Proportional to 461,455.87, 636,553.23 and 270,432.36

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Solution

The fourth proportional to 461,455.87, 636,553.23 and 270,432.36 is: 373,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,455.87 : 636,553.23 = 270,432.36 : x
  2. Step 2: Convert to fraction form
    461,455.87/636,553.23 = 270,432.36/x
  3. Step 3: Cross multiply
    461,455.87x = 636,553.23 × 270,432.36
  4. Step 4: Simplify right side
    461,455.87x = 172,144,592,254.52
  5. Step 5: Solve for x
    x = 172,144,592,254.52/461,455.87
  6. Step 6: Final answer
    x = 373,046.71

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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.