Home / 892,110.38-1,231,109.28-484,212.20

Finding the Fourth Proportional to 892,110.38, 1,231,109.28 and 484,212.20

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Solution

The fourth proportional to 892,110.38, 1,231,109.28 and 484,212.20 is: 668,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,110.38 : 1,231,109.28 = 484,212.20 : x
  2. Step 2: Convert to fraction form
    892,110.38/1,231,109.28 = 484,212.20/x
  3. Step 3: Cross multiply
    892,110.38x = 1,231,109.28 × 484,212.20
  4. Step 4: Simplify right side
    892,110.38x = 596,118,126,753.67
  5. Step 5: Solve for x
    x = 596,118,126,753.67/892,110.38
  6. Step 6: Final answer
    x = 668,211.18

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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.