Home / 1,251,789.54-1,727,469.99-678,829.56

Finding the Fourth Proportional to 1,251,789.54, 1,727,469.99 and 678,829.56

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Solution

The fourth proportional to 1,251,789.54, 1,727,469.99 and 678,829.56 is: 936,785.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,789.54 : 1,727,469.99 = 678,829.56 : x
  2. Step 2: Convert to fraction form
    1,251,789.54/1,727,469.99 = 678,829.56/x
  3. Step 3: Cross multiply
    1,251,789.54x = 1,727,469.99 × 678,829.56
  4. Step 4: Simplify right side
    1,251,789.54x = 1,172,657,693,224.90
  5. Step 5: Solve for x
    x = 1,172,657,693,224.90/1,251,789.54
  6. Step 6: Final answer
    x = 936,785.02

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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.