Home / 814,280.20-1,123,713.42-451,727.80

Finding the Fourth Proportional to 814,280.20, 1,123,713.42 and 451,727.80

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Solution

The fourth proportional to 814,280.20, 1,123,713.42 and 451,727.80 is: 623,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,280.20 : 1,123,713.42 = 451,727.80 : x
  2. Step 2: Convert to fraction form
    814,280.20/1,123,713.42 = 451,727.80/x
  3. Step 3: Cross multiply
    814,280.20x = 1,123,713.42 × 451,727.80
  4. Step 4: Simplify right side
    814,280.20x = 507,612,591,047.08
  5. Step 5: Solve for x
    x = 507,612,591,047.08/814,280.20
  6. Step 6: Final answer
    x = 623,388.11

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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.