Home / 711,982.37-1,067,229.97-427,672.37

Finding the Fourth Proportional to 711,982.37, 1,067,229.97 and 427,672.37

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Solution

The fourth proportional to 711,982.37, 1,067,229.97 and 427,672.37 is: 641,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,982.37 : 1,067,229.97 = 427,672.37 : x
  2. Step 2: Convert to fraction form
    711,982.37/1,067,229.97 = 427,672.37/x
  3. Step 3: Cross multiply
    711,982.37x = 1,067,229.97 × 427,672.37
  4. Step 4: Simplify right side
    711,982.37x = 456,424,772,203.82
  5. Step 5: Solve for x
    x = 456,424,772,203.82/711,982.37
  6. Step 6: Final answer
    x = 641,061.90

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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.