Home / 664,370.85-996,556.28-243,592.05

Finding the Fourth Proportional to 664,370.85, 996,556.28 and 243,592.05

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Solution

The fourth proportional to 664,370.85, 996,556.28 and 243,592.05 is: 365,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,370.85 : 996,556.28 = 243,592.05 : x
  2. Step 2: Convert to fraction form
    664,370.85/996,556.28 = 243,592.05/x
  3. Step 3: Cross multiply
    664,370.85x = 996,556.28 × 243,592.05
  4. Step 4: Simplify right side
    664,370.85x = 242,753,185,967.61
  5. Step 5: Solve for x
    x = 242,753,185,967.61/664,370.85
  6. Step 6: Final answer
    x = 365,388.08

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Similar ratio
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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.