Home / 1,251,786.36-1,727,560.44-707,932.92

Finding the Fourth Proportional to 1,251,786.36, 1,727,560.44 and 707,932.92

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Solution

The fourth proportional to 1,251,786.36, 1,727,560.44 and 707,932.92 is: 977,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,786.36 : 1,727,560.44 = 707,932.92 : x
  2. Step 2: Convert to fraction form
    1,251,786.36/1,727,560.44 = 707,932.92/x
  3. Step 3: Cross multiply
    1,251,786.36x = 1,727,560.44 × 707,932.92
  4. Step 4: Simplify right side
    1,251,786.36x = 1,222,996,906,765.68
  5. Step 5: Solve for x
    x = 1,222,996,906,765.68/1,251,786.36
  6. Step 6: Final answer
    x = 977,001.30

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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.