Home / 814,234.32-1,123,777.86-451,774.80

Finding the Fourth Proportional to 814,234.32, 1,123,777.86 and 451,774.80

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Solution

The fourth proportional to 814,234.32, 1,123,777.86 and 451,774.80 is: 623,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,234.32 : 1,123,777.86 = 451,774.80 : x
  2. Step 2: Convert to fraction form
    814,234.32/1,123,777.86 = 451,774.80/x
  3. Step 3: Cross multiply
    814,234.32x = 1,123,777.86 × 451,774.80
  4. Step 4: Simplify right side
    814,234.32x = 507,694,517,945.93
  5. Step 5: Solve for x
    x = 507,694,517,945.93/814,234.32
  6. Step 6: Final answer
    x = 623,523.85

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Double scale
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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.