Home / 892,127.72-1,231,103.24-484,220.88

Finding the Fourth Proportional to 892,127.72, 1,231,103.24 and 484,220.88

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Solution

The fourth proportional to 892,127.72, 1,231,103.24 and 484,220.88 is: 668,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,127.72 : 1,231,103.24 = 484,220.88 : x
  2. Step 2: Convert to fraction form
    892,127.72/1,231,103.24 = 484,220.88/x
  3. Step 3: Cross multiply
    892,127.72x = 1,231,103.24 × 484,220.88
  4. Step 4: Simplify right side
    892,127.72x = 596,125,891,822.55
  5. Step 5: Solve for x
    x = 596,125,891,822.55/892,127.72
  6. Step 6: Final answer
    x = 668,206.90

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Double scale
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1.5x scale

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.