Home / 396,822.22-595,255.80-126,974.08

Finding the Fourth Proportional to 396,822.22, 595,255.80 and 126,974.08

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Solution

The fourth proportional to 396,822.22, 595,255.80 and 126,974.08 is: 190,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,822.22 : 595,255.80 = 126,974.08 : x
  2. Step 2: Convert to fraction form
    396,822.22/595,255.80 = 126,974.08/x
  3. Step 3: Cross multiply
    396,822.22x = 595,255.80 × 126,974.08
  4. Step 4: Simplify right side
    396,822.22x = 75,582,057,569.66
  5. Step 5: Solve for x
    x = 75,582,057,569.66/396,822.22
  6. Step 6: Final answer
    x = 190,468.31

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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.