Home / 667,695.96-1,001,545.20-162,257.40

Finding the Fourth Proportional to 667,695.96, 1,001,545.20 and 162,257.40

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Solution

The fourth proportional to 667,695.96, 1,001,545.20 and 162,257.40 is: 243,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,695.96 : 1,001,545.20 = 162,257.40 : x
  2. Step 2: Convert to fraction form
    667,695.96/1,001,545.20 = 162,257.40/x
  3. Step 3: Cross multiply
    667,695.96x = 1,001,545.20 × 162,257.40
  4. Step 4: Simplify right side
    667,695.96x = 162,508,120,134.48
  5. Step 5: Solve for x
    x = 162,508,120,134.48/667,695.96
  6. Step 6: Final answer
    x = 243,386.41

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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.