Home / 396,000.20-593,781.60-129,623.60

Finding the Fourth Proportional to 396,000.20, 593,781.60 and 129,623.60

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Solution

The fourth proportional to 396,000.20, 593,781.60 and 129,623.60 is: 194,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,000.20 : 593,781.60 = 129,623.60 : x
  2. Step 2: Convert to fraction form
    396,000.20/593,781.60 = 129,623.60/x
  3. Step 3: Cross multiply
    396,000.20x = 593,781.60 × 129,623.60
  4. Step 4: Simplify right side
    396,000.20x = 76,968,108,605.76
  5. Step 5: Solve for x
    x = 76,968,108,605.76/396,000.20
  6. Step 6: Final answer
    x = 194,363.81

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1.5x scale

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.