Home / 1,435,624.85-1,981,250.55-791,044.88

Finding the Fourth Proportional to 1,435,624.85, 1,981,250.55 and 791,044.88

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Solution

The fourth proportional to 1,435,624.85, 1,981,250.55 and 791,044.88 is: 1,091,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,624.85 : 1,981,250.55 = 791,044.88 : x
  2. Step 2: Convert to fraction form
    1,435,624.85/1,981,250.55 = 791,044.88/x
  3. Step 3: Cross multiply
    1,435,624.85x = 1,981,250.55 × 791,044.88
  4. Step 4: Simplify right side
    1,435,624.85x = 1,567,258,103,574.68
  5. Step 5: Solve for x
    x = 1,567,258,103,574.68/1,435,624.85
  6. Step 6: Final answer
    x = 1,091,690.56

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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.