Home / 454,414.20-681,621.30-288,935.80

Finding the Fourth Proportional to 454,414.20, 681,621.30 and 288,935.80

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Solution

The fourth proportional to 454,414.20, 681,621.30 and 288,935.80 is: 433,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,414.20 : 681,621.30 = 288,935.80 : x
  2. Step 2: Convert to fraction form
    454,414.20/681,621.30 = 288,935.80/x
  3. Step 3: Cross multiply
    454,414.20x = 681,621.30 × 288,935.80
  4. Step 4: Simplify right side
    454,414.20x = 196,944,795,612.54
  5. Step 5: Solve for x
    x = 196,944,795,612.54/454,414.20
  6. Step 6: Final answer
    x = 433,403.70

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Similar ratio
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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.