Home / 396,319.20-594,867.60-196,864.80

Finding the Fourth Proportional to 396,319.20, 594,867.60 and 196,864.80

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Solution

The fourth proportional to 396,319.20, 594,867.60 and 196,864.80 is: 295,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,319.20 : 594,867.60 = 196,864.80 : x
  2. Step 2: Convert to fraction form
    396,319.20/594,867.60 = 196,864.80/x
  3. Step 3: Cross multiply
    396,319.20x = 594,867.60 × 196,864.80
  4. Step 4: Simplify right side
    396,319.20x = 117,108,491,100.48
  5. Step 5: Solve for x
    x = 117,108,491,100.48/396,319.20
  6. Step 6: Final answer
    x = 295,490.33

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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.