Home / 1,253,289.60-1,729,534.83-680,324.76

Finding the Fourth Proportional to 1,253,289.60, 1,729,534.83 and 680,324.76

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Solution

The fourth proportional to 1,253,289.60, 1,729,534.83 and 680,324.76 is: 938,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,289.60 : 1,729,534.83 = 680,324.76 : x
  2. Step 2: Convert to fraction form
    1,253,289.60/1,729,534.83 = 680,324.76/x
  3. Step 3: Cross multiply
    1,253,289.60x = 1,729,534.83 × 680,324.76
  4. Step 4: Simplify right side
    1,253,289.60x = 1,176,645,368,131.39
  5. Step 5: Solve for x
    x = 1,176,645,368,131.39/1,253,289.60
  6. Step 6: Final answer
    x = 938,845.55

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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.