Home / 447,101.22-616,687.38-303,612.15

Finding the Fourth Proportional to 447,101.22, 616,687.38 and 303,612.15

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Solution

The fourth proportional to 447,101.22, 616,687.38 and 303,612.15 is: 418,772.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,101.22 : 616,687.38 = 303,612.15 : x
  2. Step 2: Convert to fraction form
    447,101.22/616,687.38 = 303,612.15/x
  3. Step 3: Cross multiply
    447,101.22x = 616,687.38 × 303,612.15
  4. Step 4: Simplify right side
    447,101.22x = 187,233,781,319.67
  5. Step 5: Solve for x
    x = 187,233,781,319.67/447,101.22
  6. Step 6: Final answer
    x = 418,772.69

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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.