Home / 1,244,961.36-1,867,508.22-392,099.70

Finding the Fourth Proportional to 1,244,961.36, 1,867,508.22 and 392,099.70

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Solution

The fourth proportional to 1,244,961.36, 1,867,508.22 and 392,099.70 is: 588,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,961.36 : 1,867,508.22 = 392,099.70 : x
  2. Step 2: Convert to fraction form
    1,244,961.36/1,867,508.22 = 392,099.70/x
  3. Step 3: Cross multiply
    1,244,961.36x = 1,867,508.22 × 392,099.70
  4. Step 4: Simplify right side
    1,244,961.36x = 732,249,412,809.53
  5. Step 5: Solve for x
    x = 732,249,412,809.53/1,244,961.36
  6. Step 6: Final answer
    x = 588,170.39

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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.