Home / 814,077.54-1,123,410.27-451,442.88

Finding the Fourth Proportional to 814,077.54, 1,123,410.27 and 451,442.88

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Solution

The fourth proportional to 814,077.54, 1,123,410.27 and 451,442.88 is: 622,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,077.54 : 1,123,410.27 = 451,442.88 : x
  2. Step 2: Convert to fraction form
    814,077.54/1,123,410.27 = 451,442.88/x
  3. Step 3: Cross multiply
    814,077.54x = 1,123,410.27 × 451,442.88
  4. Step 4: Simplify right side
    814,077.54x = 507,155,567,710.38
  5. Step 5: Solve for x
    x = 507,155,567,710.38/814,077.54
  6. Step 6: Final answer
    x = 622,981.89

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Half scale
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Double scale
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Similar ratio
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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.