Home / 987,392.16-1,361,581.92-844,624.80

Finding the Fourth Proportional to 987,392.16, 1,361,581.92 and 844,624.80

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Solution

The fourth proportional to 987,392.16, 1,361,581.92 and 844,624.80 is: 1,164,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,392.16 : 1,361,581.92 = 844,624.80 : x
  2. Step 2: Convert to fraction form
    987,392.16/1,361,581.92 = 844,624.80/x
  3. Step 3: Cross multiply
    987,392.16x = 1,361,581.92 × 844,624.80
  4. Step 4: Simplify right side
    987,392.16x = 1,150,025,856,863.62
  5. Step 5: Solve for x
    x = 1,150,025,856,863.62/987,392.16
  6. Step 6: Final answer
    x = 1,164,710.34

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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.