Home / 1,286,679.27-1,929,458.17-433,591.93

Finding the Fourth Proportional to 1,286,679.27, 1,929,458.17 and 433,591.93

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Solution

The fourth proportional to 1,286,679.27, 1,929,458.17 and 433,591.93 is: 650,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,679.27 : 1,929,458.17 = 433,591.93 : x
  2. Step 2: Convert to fraction form
    1,286,679.27/1,929,458.17 = 433,591.93/x
  3. Step 3: Cross multiply
    1,286,679.27x = 1,929,458.17 × 433,591.93
  4. Step 4: Simplify right side
    1,286,679.27x = 836,597,491,784.57
  5. Step 5: Solve for x
    x = 836,597,491,784.57/1,286,679.27
  6. Step 6: Final answer
    x = 650,198.94

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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.