Home / 814,244.19-1,123,663.76-451,691.83

Finding the Fourth Proportional to 814,244.19, 1,123,663.76 and 451,691.83

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Solution

The fourth proportional to 814,244.19, 1,123,663.76 and 451,691.83 is: 623,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,244.19 : 1,123,663.76 = 451,691.83 : x
  2. Step 2: Convert to fraction form
    814,244.19/1,123,663.76 = 451,691.83/x
  3. Step 3: Cross multiply
    814,244.19x = 1,123,663.76 × 451,691.83
  4. Step 4: Simplify right side
    814,244.19x = 507,549,740,059.08
  5. Step 5: Solve for x
    x = 507,549,740,059.08/814,244.19
  6. Step 6: Final answer
    x = 623,338.49

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1.5x scale

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.