Home / 667,951.90-1,002,049.35-218,547.70

Finding the Fourth Proportional to 667,951.90, 1,002,049.35 and 218,547.70

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Solution

The fourth proportional to 667,951.90, 1,002,049.35 and 218,547.70 is: 327,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,951.90 : 1,002,049.35 = 218,547.70 : x
  2. Step 2: Convert to fraction form
    667,951.90/1,002,049.35 = 218,547.70/x
  3. Step 3: Cross multiply
    667,951.90x = 1,002,049.35 × 218,547.70
  4. Step 4: Simplify right side
    667,951.90x = 218,995,580,729.00
  5. Step 5: Solve for x
    x = 218,995,580,729.00/667,951.90
  6. Step 6: Final answer
    x = 327,861.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.