Home / 886,940.43-1,223,977.41-479,042.12

Finding the Fourth Proportional to 886,940.43, 1,223,977.41 and 479,042.12

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Solution

The fourth proportional to 886,940.43, 1,223,977.41 and 479,042.12 is: 661,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,940.43 : 1,223,977.41 = 479,042.12 : x
  2. Step 2: Convert to fraction form
    886,940.43/1,223,977.41 = 479,042.12/x
  3. Step 3: Cross multiply
    886,940.43x = 1,223,977.41 × 479,042.12
  4. Step 4: Simplify right side
    886,940.43x = 586,336,727,198.62
  5. Step 5: Solve for x
    x = 586,336,727,198.62/886,940.43
  6. Step 6: Final answer
    x = 661,077.91

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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.