Home / 1,227,789.12-1,694,367.01-711,581.19

Finding the Fourth Proportional to 1,227,789.12, 1,694,367.01 and 711,581.19

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Solution

The fourth proportional to 1,227,789.12, 1,694,367.01 and 711,581.19 is: 981,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,789.12 : 1,694,367.01 = 711,581.19 : x
  2. Step 2: Convert to fraction form
    1,227,789.12/1,694,367.01 = 711,581.19/x
  3. Step 3: Cross multiply
    1,227,789.12x = 1,694,367.01 × 711,581.19
  4. Step 4: Simplify right side
    1,227,789.12x = 1,205,679,693,272.54
  5. Step 5: Solve for x
    x = 1,205,679,693,272.54/1,227,789.12
  6. Step 6: Final answer
    x = 981,992.49

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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.