Home / 814,219.32-1,123,757.16-451,759.80

Finding the Fourth Proportional to 814,219.32, 1,123,757.16 and 451,759.80

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Solution

The fourth proportional to 814,219.32, 1,123,757.16 and 451,759.80 is: 623,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,219.32 : 1,123,757.16 = 451,759.80 : x
  2. Step 2: Convert to fraction form
    814,219.32/1,123,757.16 = 451,759.80/x
  3. Step 3: Cross multiply
    814,219.32x = 1,123,757.16 × 451,759.80
  4. Step 4: Simplify right side
    814,219.32x = 507,668,309,850.17
  5. Step 5: Solve for x
    x = 507,668,309,850.17/814,219.32
  6. Step 6: Final answer
    x = 623,503.15

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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.