Home / 667,087.22-1,000,727.76-217,697.42

Finding the Fourth Proportional to 667,087.22, 1,000,727.76 and 217,697.42

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Solution

The fourth proportional to 667,087.22, 1,000,727.76 and 217,697.42 is: 326,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,087.22 : 1,000,727.76 = 217,697.42 : x
  2. Step 2: Convert to fraction form
    667,087.22/1,000,727.76 = 217,697.42/x
  3. Step 3: Cross multiply
    667,087.22x = 1,000,727.76 × 217,697.42
  4. Step 4: Simplify right side
    667,087.22x = 217,855,851,474.38
  5. Step 5: Solve for x
    x = 217,855,851,474.38/667,087.22
  6. Step 6: Final answer
    x = 326,577.76

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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.