Home / 1,253,137.23-1,729,330.97-680,177.25

Finding the Fourth Proportional to 1,253,137.23, 1,729,330.97 and 680,177.25

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Solution

The fourth proportional to 1,253,137.23, 1,729,330.97 and 680,177.25 is: 938,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,137.23 : 1,729,330.97 = 680,177.25 : x
  2. Step 2: Convert to fraction form
    1,253,137.23/1,729,330.97 = 680,177.25/x
  3. Step 3: Cross multiply
    1,253,137.23x = 1,729,330.97 × 680,177.25
  4. Step 4: Simplify right side
    1,253,137.23x = 1,176,251,580,113.55
  5. Step 5: Solve for x
    x = 1,176,251,580,113.55/1,253,137.23
  6. Step 6: Final answer
    x = 938,645.47

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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.