Home / 1,253,059.20-1,729,223.19-680,099.49

Finding the Fourth Proportional to 1,253,059.20, 1,729,223.19 and 680,099.49

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Solution

The fourth proportional to 1,253,059.20, 1,729,223.19 and 680,099.49 is: 938,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,059.20 : 1,729,223.19 = 680,099.49 : x
  2. Step 2: Convert to fraction form
    1,253,059.20/1,729,223.19 = 680,099.49/x
  3. Step 3: Cross multiply
    1,253,059.20x = 1,729,223.19 × 680,099.49
  4. Step 4: Simplify right side
    1,253,059.20x = 1,176,043,809,615.17
  5. Step 5: Solve for x
    x = 1,176,043,809,615.17/1,253,059.20
  6. Step 6: Final answer
    x = 938,538.11

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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.