Home / 727,141.24-1,001,229.42-725,041.72

Finding the Fourth Proportional to 727,141.24, 1,001,229.42 and 725,041.72

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Solution

The fourth proportional to 727,141.24, 1,001,229.42 and 725,041.72 is: 998,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,141.24 : 1,001,229.42 = 725,041.72 : x
  2. Step 2: Convert to fraction form
    727,141.24/1,001,229.42 = 725,041.72/x
  3. Step 3: Cross multiply
    727,141.24x = 1,001,229.42 × 725,041.72
  4. Step 4: Simplify right side
    727,141.24x = 725,933,100,791.40
  5. Step 5: Solve for x
    x = 725,933,100,791.40/727,141.24
  6. Step 6: Final answer
    x = 998,338.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.