Home / 447,046.20-616,877.10-256,067.64

Finding the Fourth Proportional to 447,046.20, 616,877.10 and 256,067.64

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Solution

The fourth proportional to 447,046.20, 616,877.10 and 256,067.64 is: 353,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,046.20 : 616,877.10 = 256,067.64 : x
  2. Step 2: Convert to fraction form
    447,046.20/616,877.10 = 256,067.64/x
  3. Step 3: Cross multiply
    447,046.20x = 616,877.10 × 256,067.64
  4. Step 4: Simplify right side
    447,046.20x = 157,962,263,167.04
  5. Step 5: Solve for x
    x = 157,962,263,167.04/447,046.20
  6. Step 6: Final answer
    x = 353,346.62

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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.