Home / 1,253,110.35-1,729,294.26-680,150.76

Finding the Fourth Proportional to 1,253,110.35, 1,729,294.26 and 680,150.76

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Solution

The fourth proportional to 1,253,110.35, 1,729,294.26 and 680,150.76 is: 938,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,110.35 : 1,729,294.26 = 680,150.76 : x
  2. Step 2: Convert to fraction form
    1,253,110.35/1,729,294.26 = 680,150.76/x
  3. Step 3: Cross multiply
    1,253,110.35x = 1,729,294.26 × 680,150.76
  4. Step 4: Simplify right side
    1,253,110.35x = 1,176,180,805,202.64
  5. Step 5: Solve for x
    x = 1,176,180,805,202.64/1,253,110.35
  6. Step 6: Final answer
    x = 938,609.12

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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.