Home / 814,050.75-1,123,404.08-451,490.43

Finding the Fourth Proportional to 814,050.75, 1,123,404.08 and 451,490.43

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Solution

The fourth proportional to 814,050.75, 1,123,404.08 and 451,490.43 is: 623,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,050.75 : 1,123,404.08 = 451,490.43 : x
  2. Step 2: Convert to fraction form
    814,050.75/1,123,404.08 = 451,490.43/x
  3. Step 3: Cross multiply
    814,050.75x = 1,123,404.08 × 451,490.43
  4. Step 4: Simplify right side
    814,050.75x = 507,206,188,885.50
  5. Step 5: Solve for x
    x = 507,206,188,885.50/814,050.75
  6. Step 6: Final answer
    x = 623,064.58

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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.