Home / 1,253,065.73-1,729,232.39-680,105.75

Finding the Fourth Proportional to 1,253,065.73, 1,729,232.39 and 680,105.75

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Solution

The fourth proportional to 1,253,065.73, 1,729,232.39 and 680,105.75 is: 938,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,065.73 : 1,729,232.39 = 680,105.75 : x
  2. Step 2: Convert to fraction form
    1,253,065.73/1,729,232.39 = 680,105.75/x
  3. Step 3: Cross multiply
    1,253,065.73x = 1,729,232.39 × 680,105.75
  4. Step 4: Simplify right side
    1,253,065.73x = 1,176,060,879,478.55
  5. Step 5: Solve for x
    x = 1,176,060,879,478.55/1,253,065.73
  6. Step 6: Final answer
    x = 938,546.84

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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.