Home / 1,253,093.16-1,729,269.86-680,133.46

Finding the Fourth Proportional to 1,253,093.16, 1,729,269.86 and 680,133.46

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Solution

The fourth proportional to 1,253,093.16, 1,729,269.86 and 680,133.46 is: 938,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,093.16 : 1,729,269.86 = 680,133.46 : x
  2. Step 2: Convert to fraction form
    1,253,093.16/1,729,269.86 = 680,133.46/x
  3. Step 3: Cross multiply
    1,253,093.16x = 1,729,269.86 × 680,133.46
  4. Step 4: Simplify right side
    1,253,093.16x = 1,176,134,293,155.52
  5. Step 5: Solve for x
    x = 1,176,134,293,155.52/1,253,093.16
  6. Step 6: Final answer
    x = 938,584.88

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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.