Home / 1,435,744.62-1,981,340.86-791,187.88

Finding the Fourth Proportional to 1,435,744.62, 1,981,340.86 and 791,187.88

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Solution

The fourth proportional to 1,435,744.62, 1,981,340.86 and 791,187.88 is: 1,091,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,744.62 : 1,981,340.86 = 791,187.88 : x
  2. Step 2: Convert to fraction form
    1,435,744.62/1,981,340.86 = 791,187.88/x
  3. Step 3: Cross multiply
    1,435,744.62x = 1,981,340.86 × 791,187.88
  4. Step 4: Simplify right side
    1,435,744.62x = 1,567,612,869,627.42
  5. Step 5: Solve for x
    x = 1,567,612,869,627.42/1,435,744.62
  6. Step 6: Final answer
    x = 1,091,846.59

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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.