Home / 773,610.88-1,155,121.94-693,129.28

Finding the Fourth Proportional to 773,610.88, 1,155,121.94 and 693,129.28

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Solution

The fourth proportional to 773,610.88, 1,155,121.94 and 693,129.28 is: 1,034,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,610.88 : 1,155,121.94 = 693,129.28 : x
  2. Step 2: Convert to fraction form
    773,610.88/1,155,121.94 = 693,129.28/x
  3. Step 3: Cross multiply
    773,610.88x = 1,155,121.94 × 693,129.28
  4. Step 4: Simplify right side
    773,610.88x = 800,648,838,584.40
  5. Step 5: Solve for x
    x = 800,648,838,584.40/773,610.88
  6. Step 6: Final answer
    x = 1,034,950.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.