Home / 814,002.38-1,123,323.28-451,481.74

Finding the Fourth Proportional to 814,002.38, 1,123,323.28 and 451,481.74

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Solution

The fourth proportional to 814,002.38, 1,123,323.28 and 451,481.74 is: 623,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,002.38 : 1,123,323.28 = 451,481.74 : x
  2. Step 2: Convert to fraction form
    814,002.38/1,123,323.28 = 451,481.74/x
  3. Step 3: Cross multiply
    814,002.38x = 1,123,323.28 × 451,481.74
  4. Step 4: Simplify right side
    814,002.38x = 507,159,949,036.91
  5. Step 5: Solve for x
    x = 507,159,949,036.91/814,002.38
  6. Step 6: Final answer
    x = 623,044.80

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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.