Home / 1,241,952.28-1,862,321.20-512,339.61

Finding the Fourth Proportional to 1,241,952.28, 1,862,321.20 and 512,339.61

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Solution

The fourth proportional to 1,241,952.28, 1,862,321.20 and 512,339.61 is: 768,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,952.28 : 1,862,321.20 = 512,339.61 : x
  2. Step 2: Convert to fraction form
    1,241,952.28/1,862,321.20 = 512,339.61/x
  3. Step 3: Cross multiply
    1,241,952.28x = 1,862,321.20 × 512,339.61
  4. Step 4: Simplify right side
    1,241,952.28x = 954,140,910,174.16
  5. Step 5: Solve for x
    x = 954,140,910,174.16/1,241,952.28
  6. Step 6: Final answer
    x = 768,258.92

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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.