Home / 609,119.20-913,676.30-153,711.46

Finding the Fourth Proportional to 609,119.20, 913,676.30 and 153,711.46

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Solution

The fourth proportional to 609,119.20, 913,676.30 and 153,711.46 is: 230,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,119.20 : 913,676.30 = 153,711.46 : x
  2. Step 2: Convert to fraction form
    609,119.20/913,676.30 = 153,711.46/x
  3. Step 3: Cross multiply
    609,119.20x = 913,676.30 × 153,711.46
  4. Step 4: Simplify right side
    609,119.20x = 140,442,518,990.35
  5. Step 5: Solve for x
    x = 140,442,518,990.35/609,119.20
  6. Step 6: Final answer
    x = 230,566.56

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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.