Home / 1,244,964.12-1,867,916.76-487,347

Finding the Fourth Proportional to 1,244,964.12, 1,867,916.76 and 487,347

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Solution

The fourth proportional to 1,244,964.12, 1,867,916.76 and 487,347 is: 731,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,964.12 : 1,867,916.76 = 487,347 : x
  2. Step 2: Convert to fraction form
    1,244,964.12/1,867,916.76 = 487,347/x
  3. Step 3: Cross multiply
    1,244,964.12x = 1,867,916.76 × 487,347
  4. Step 4: Simplify right side
    1,244,964.12x = 910,323,629,235.72
  5. Step 5: Solve for x
    x = 910,323,629,235.72/1,244,964.12
  6. Step 6: Final answer
    x = 731,204.71

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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.