Home / 447,104.22-616,691.52-303,615.15

Finding the Fourth Proportional to 447,104.22, 616,691.52 and 303,615.15

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Solution

The fourth proportional to 447,104.22, 616,691.52 and 303,615.15 is: 418,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,104.22 : 616,691.52 = 303,615.15 : x
  2. Step 2: Convert to fraction form
    447,104.22/616,691.52 = 303,615.15/x
  3. Step 3: Cross multiply
    447,104.22x = 616,691.52 × 303,615.15
  4. Step 4: Simplify right side
    447,104.22x = 187,236,888,348.53
  5. Step 5: Solve for x
    x = 187,236,888,348.53/447,104.22
  6. Step 6: Final answer
    x = 418,776.83

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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.