Home / 711,325.62-1,067,276.82-311,755.86

Finding the Fourth Proportional to 711,325.62, 1,067,276.82 and 311,755.86

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Solution

The fourth proportional to 711,325.62, 1,067,276.82 and 311,755.86 is: 467,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,325.62 : 1,067,276.82 = 311,755.86 : x
  2. Step 2: Convert to fraction form
    711,325.62/1,067,276.82 = 311,755.86/x
  3. Step 3: Cross multiply
    711,325.62x = 1,067,276.82 × 311,755.86
  4. Step 4: Simplify right side
    711,325.62x = 332,729,802,877.17
  5. Step 5: Solve for x
    x = 332,729,802,877.17/711,325.62
  6. Step 6: Final answer
    x = 467,760.18

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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.