Home / 684,793.28-1,025,191.20-399,609.92

Finding the Fourth Proportional to 684,793.28, 1,025,191.20 and 399,609.92

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Solution

The fourth proportional to 684,793.28, 1,025,191.20 and 399,609.92 is: 598,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,793.28 : 1,025,191.20 = 399,609.92 : x
  2. Step 2: Convert to fraction form
    684,793.28/1,025,191.20 = 399,609.92/x
  3. Step 3: Cross multiply
    684,793.28x = 1,025,191.20 × 399,609.92
  4. Step 4: Simplify right side
    684,793.28x = 409,676,573,416.70
  5. Step 5: Solve for x
    x = 409,676,573,416.70/684,793.28
  6. Step 6: Final answer
    x = 598,248.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.