Home / 892,103.12-1,231,086.86-484,196.21

Finding the Fourth Proportional to 892,103.12, 1,231,086.86 and 484,196.21

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Solution

The fourth proportional to 892,103.12, 1,231,086.86 and 484,196.21 is: 668,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,103.12 : 1,231,086.86 = 484,196.21 : x
  2. Step 2: Convert to fraction form
    892,103.12/1,231,086.86 = 484,196.21/x
  3. Step 3: Cross multiply
    892,103.12x = 1,231,086.86 × 484,196.21
  4. Step 4: Simplify right side
    892,103.12x = 596,087,591,792.80
  5. Step 5: Solve for x
    x = 596,087,591,792.80/892,103.12
  6. Step 6: Final answer
    x = 668,182.39

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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.