Home / 1,015,414.20-1,523,121.30-541,855.80

Finding the Fourth Proportional to 1,015,414.20, 1,523,121.30 and 541,855.80

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Solution

The fourth proportional to 1,015,414.20, 1,523,121.30 and 541,855.80 is: 812,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,414.20 : 1,523,121.30 = 541,855.80 : x
  2. Step 2: Convert to fraction form
    1,015,414.20/1,523,121.30 = 541,855.80/x
  3. Step 3: Cross multiply
    1,015,414.20x = 1,523,121.30 × 541,855.80
  4. Step 4: Simplify right side
    1,015,414.20x = 825,312,110,508.54
  5. Step 5: Solve for x
    x = 825,312,110,508.54/1,015,414.20
  6. Step 6: Final answer
    x = 812,783.70

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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.