Home / 394,610.28-544,589.98-222,543.64

Finding the Fourth Proportional to 394,610.28, 544,589.98 and 222,543.64

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Solution

The fourth proportional to 394,610.28, 544,589.98 and 222,543.64 is: 307,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,610.28 : 544,589.98 = 222,543.64 : x
  2. Step 2: Convert to fraction form
    394,610.28/544,589.98 = 222,543.64/x
  3. Step 3: Cross multiply
    394,610.28x = 544,589.98 × 222,543.64
  4. Step 4: Simplify right side
    394,610.28x = 121,195,036,456.73
  5. Step 5: Solve for x
    x = 121,195,036,456.73/394,610.28
  6. Step 6: Final answer
    x = 307,125.90

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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.