Home / 394,660.20-591,504.30-268,300.20

Finding the Fourth Proportional to 394,660.20, 591,504.30 and 268,300.20

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Solution

The fourth proportional to 394,660.20, 591,504.30 and 268,300.20 is: 402,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,660.20 : 591,504.30 = 268,300.20 : x
  2. Step 2: Convert to fraction form
    394,660.20/591,504.30 = 268,300.20/x
  3. Step 3: Cross multiply
    394,660.20x = 591,504.30 × 268,300.20
  4. Step 4: Simplify right side
    394,660.20x = 158,700,721,990.86
  5. Step 5: Solve for x
    x = 158,700,721,990.86/394,660.20
  6. Step 6: Final answer
    x = 402,119.90

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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.