Home / 1,435,799.25-1,981,415.97-791,242.56

Finding the Fourth Proportional to 1,435,799.25, 1,981,415.97 and 791,242.56

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Solution

The fourth proportional to 1,435,799.25, 1,981,415.97 and 791,242.56 is: 1,091,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,799.25 : 1,981,415.97 = 791,242.56 : x
  2. Step 2: Convert to fraction form
    1,435,799.25/1,981,415.97 = 791,242.56/x
  3. Step 3: Cross multiply
    1,435,799.25x = 1,981,415.97 × 791,242.56
  4. Step 4: Simplify right side
    1,435,799.25x = 1,567,780,644,527.68
  5. Step 5: Solve for x
    x = 1,567,780,644,527.68/1,435,799.25
  6. Step 6: Final answer
    x = 1,091,921.90

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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.