Home / 667,310.69-1,000,965.79-267,951.34

Finding the Fourth Proportional to 667,310.69, 1,000,965.79 and 267,951.34

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Solution

The fourth proportional to 667,310.69, 1,000,965.79 and 267,951.34 is: 401,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,310.69 : 1,000,965.79 = 267,951.34 : x
  2. Step 2: Convert to fraction form
    667,310.69/1,000,965.79 = 267,951.34/x
  3. Step 3: Cross multiply
    667,310.69x = 1,000,965.79 × 267,951.34
  4. Step 4: Simplify right side
    667,310.69x = 268,210,126,310.81
  5. Step 5: Solve for x
    x = 268,210,126,310.81/667,310.69
  6. Step 6: Final answer
    x = 401,926.91

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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.