Home / 568,723.20-852,675.20-319,481.60

Finding the Fourth Proportional to 568,723.20, 852,675.20 and 319,481.60

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Solution

The fourth proportional to 568,723.20, 852,675.20 and 319,481.60 is: 478,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,723.20 : 852,675.20 = 319,481.60 : x
  2. Step 2: Convert to fraction form
    568,723.20/852,675.20 = 319,481.60/x
  3. Step 3: Cross multiply
    568,723.20x = 852,675.20 × 319,481.60
  4. Step 4: Simplify right side
    568,723.20x = 272,414,037,176.32
  5. Step 5: Solve for x
    x = 272,414,037,176.32/568,723.20
  6. Step 6: Final answer
    x = 478,992.31

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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.