Home / 866,676.58-1,196,003.07-479,520.17

Finding the Fourth Proportional to 866,676.58, 1,196,003.07 and 479,520.17

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Solution

The fourth proportional to 866,676.58, 1,196,003.07 and 479,520.17 is: 661,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,676.58 : 1,196,003.07 = 479,520.17 : x
  2. Step 2: Convert to fraction form
    866,676.58/1,196,003.07 = 479,520.17/x
  3. Step 3: Cross multiply
    866,676.58x = 1,196,003.07 × 479,520.17
  4. Step 4: Simplify right side
    866,676.58x = 573,507,593,951.92
  5. Step 5: Solve for x
    x = 573,507,593,951.92/866,676.58
  6. Step 6: Final answer
    x = 661,731.96

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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.