Home / 440,403.27-607,737.90-256,659.22

Finding the Fourth Proportional to 440,403.27, 607,737.90 and 256,659.22

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Solution

The fourth proportional to 440,403.27, 607,737.90 and 256,659.22 is: 354,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,403.27 : 607,737.90 = 256,659.22 : x
  2. Step 2: Convert to fraction form
    440,403.27/607,737.90 = 256,659.22/x
  3. Step 3: Cross multiply
    440,403.27x = 607,737.90 × 256,659.22
  4. Step 4: Simplify right side
    440,403.27x = 155,981,535,378.44
  5. Step 5: Solve for x
    x = 155,981,535,378.44/440,403.27
  6. Step 6: Final answer
    x = 354,178.88

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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.