Home / 693,599.40-1,040,139.90-482,610.60

Finding the Fourth Proportional to 693,599.40, 1,040,139.90 and 482,610.60

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Solution

The fourth proportional to 693,599.40, 1,040,139.90 and 482,610.60 is: 723,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,599.40 : 1,040,139.90 = 482,610.60 : x
  2. Step 2: Convert to fraction form
    693,599.40/1,040,139.90 = 482,610.60/x
  3. Step 3: Cross multiply
    693,599.40x = 1,040,139.90 × 482,610.60
  4. Step 4: Simplify right side
    693,599.40x = 501,982,541,222.94
  5. Step 5: Solve for x
    x = 501,982,541,222.94/693,599.40
  6. Step 6: Final answer
    x = 723,735.55

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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.