Home / 886,546.10-1,329,819.15-818,117.30

Finding the Fourth Proportional to 886,546.10, 1,329,819.15 and 818,117.30

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Solution

The fourth proportional to 886,546.10, 1,329,819.15 and 818,117.30 is: 1,227,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,546.10 : 1,329,819.15 = 818,117.30 : x
  2. Step 2: Convert to fraction form
    886,546.10/1,329,819.15 = 818,117.30/x
  3. Step 3: Cross multiply
    886,546.10x = 1,329,819.15 × 818,117.30
  4. Step 4: Simplify right side
    886,546.10x = 1,087,948,052,486.30
  5. Step 5: Solve for x
    x = 1,087,948,052,486.30/886,546.10
  6. Step 6: Final answer
    x = 1,227,175.95

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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.