Home / 1,236,171.40-1,850,934.92-784,446.55

Finding the Fourth Proportional to 1,236,171.40, 1,850,934.92 and 784,446.55

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Solution

The fourth proportional to 1,236,171.40, 1,850,934.92 and 784,446.55 is: 1,174,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,171.40 : 1,850,934.92 = 784,446.55 : x
  2. Step 2: Convert to fraction form
    1,236,171.40/1,850,934.92 = 784,446.55/x
  3. Step 3: Cross multiply
    1,236,171.40x = 1,850,934.92 × 784,446.55
  4. Step 4: Simplify right side
    1,236,171.40x = 1,451,959,515,072.47
  5. Step 5: Solve for x
    x = 1,451,959,515,072.47/1,236,171.40
  6. Step 6: Final answer
    x = 1,174,561.65

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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.