Home / 1,435,919.41-1,981,558.83-791,340.13

Finding the Fourth Proportional to 1,435,919.41, 1,981,558.83 and 791,340.13

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Solution

The fourth proportional to 1,435,919.41, 1,981,558.83 and 791,340.13 is: 1,092,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,919.41 : 1,981,558.83 = 791,340.13 : x
  2. Step 2: Convert to fraction form
    1,435,919.41/1,981,558.83 = 791,340.13/x
  3. Step 3: Cross multiply
    1,435,919.41x = 1,981,558.83 × 791,340.13
  4. Step 4: Simplify right side
    1,435,919.41x = 1,568,087,022,134.85
  5. Step 5: Solve for x
    x = 1,568,087,022,134.85/1,435,919.41
  6. Step 6: Final answer
    x = 1,092,043.89

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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.