Home / 1,461,460.82-2,192,687.46-787,609.64

Finding the Fourth Proportional to 1,461,460.82, 2,192,687.46 and 787,609.64

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Solution

The fourth proportional to 1,461,460.82, 2,192,687.46 and 787,609.64 is: 1,181,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,460.82 : 2,192,687.46 = 787,609.64 : x
  2. Step 2: Convert to fraction form
    1,461,460.82/2,192,687.46 = 787,609.64/x
  3. Step 3: Cross multiply
    1,461,460.82x = 2,192,687.46 × 787,609.64
  4. Step 4: Simplify right side
    1,461,460.82x = 1,726,981,781,003.11
  5. Step 5: Solve for x
    x = 1,726,981,781,003.11/1,461,460.82
  6. Step 6: Final answer
    x = 1,181,681.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.