Home / 1,253,433.41-1,729,728.82-680,458.85

Finding the Fourth Proportional to 1,253,433.41, 1,729,728.82 and 680,458.85

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Solution

The fourth proportional to 1,253,433.41, 1,729,728.82 and 680,458.85 is: 939,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,433.41 : 1,729,728.82 = 680,458.85 : x
  2. Step 2: Convert to fraction form
    1,253,433.41/1,729,728.82 = 680,458.85/x
  3. Step 3: Cross multiply
    1,253,433.41x = 1,729,728.82 × 680,458.85
  4. Step 4: Simplify right side
    1,253,433.41x = 1,177,009,288,843.95
  5. Step 5: Solve for x
    x = 1,177,009,288,843.95/1,253,433.41
  6. Step 6: Final answer
    x = 939,028.17

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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.