Home / 475,849.10-656,327.66-404,115.50

Finding the Fourth Proportional to 475,849.10, 656,327.66 and 404,115.50

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Solution

The fourth proportional to 475,849.10, 656,327.66 and 404,115.50 is: 557,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,849.10 : 656,327.66 = 404,115.50 : x
  2. Step 2: Convert to fraction form
    475,849.10/656,327.66 = 404,115.50/x
  3. Step 3: Cross multiply
    475,849.10x = 656,327.66 × 404,115.50
  4. Step 4: Simplify right side
    475,849.10x = 265,232,180,484.73
  5. Step 5: Solve for x
    x = 265,232,180,484.73/475,849.10
  6. Step 6: Final answer
    x = 557,387.16

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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.