Home / 1,585,512.25-2,187,976.56-897,171.58

Finding the Fourth Proportional to 1,585,512.25, 2,187,976.56 and 897,171.58

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Solution

The fourth proportional to 1,585,512.25, 2,187,976.56 and 897,171.58 is: 1,238,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,512.25 : 2,187,976.56 = 897,171.58 : x
  2. Step 2: Convert to fraction form
    1,585,512.25/2,187,976.56 = 897,171.58/x
  3. Step 3: Cross multiply
    1,585,512.25x = 2,187,976.56 × 897,171.58
  4. Step 4: Simplify right side
    1,585,512.25x = 1,962,990,383,631.90
  5. Step 5: Solve for x
    x = 1,962,990,383,631.90/1,585,512.25
  6. Step 6: Final answer
    x = 1,238,079.61

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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.