Home / 711,471.75-1,067,053.05-225,191.70

Finding the Fourth Proportional to 711,471.75, 1,067,053.05 and 225,191.70

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Solution

The fourth proportional to 711,471.75, 1,067,053.05 and 225,191.70 is: 337,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,471.75 : 1,067,053.05 = 225,191.70 : x
  2. Step 2: Convert to fraction form
    711,471.75/1,067,053.05 = 225,191.70/x
  3. Step 3: Cross multiply
    711,471.75x = 1,067,053.05 × 225,191.70
  4. Step 4: Simplify right side
    711,471.75x = 240,291,490,319.69
  5. Step 5: Solve for x
    x = 240,291,490,319.69/711,471.75
  6. Step 6: Final answer
    x = 337,738.62

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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.