Home / 1,253,572.18-1,729,942.08-680,617.06

Finding the Fourth Proportional to 1,253,572.18, 1,729,942.08 and 680,617.06

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Solution

The fourth proportional to 1,253,572.18, 1,729,942.08 and 680,617.06 is: 939,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,572.18 : 1,729,942.08 = 680,617.06 : x
  2. Step 2: Convert to fraction form
    1,253,572.18/1,729,942.08 = 680,617.06/x
  3. Step 3: Cross multiply
    1,253,572.18x = 1,729,942.08 × 680,617.06
  4. Step 4: Simplify right side
    1,253,572.18x = 1,177,428,092,459.89
  5. Step 5: Solve for x
    x = 1,177,428,092,459.89/1,253,572.18
  6. Step 6: Final answer
    x = 939,258.31

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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.