Home / 1,566,891.60-2,350,414.20-820,395.60

Finding the Fourth Proportional to 1,566,891.60, 2,350,414.20 and 820,395.60

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Solution

The fourth proportional to 1,566,891.60, 2,350,414.20 and 820,395.60 is: 1,230,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,891.60 : 2,350,414.20 = 820,395.60 : x
  2. Step 2: Convert to fraction form
    1,566,891.60/2,350,414.20 = 820,395.60/x
  3. Step 3: Cross multiply
    1,566,891.60x = 2,350,414.20 × 820,395.60
  4. Step 4: Simplify right side
    1,566,891.60x = 1,928,269,467,857.52
  5. Step 5: Solve for x
    x = 1,928,269,467,857.52/1,566,891.60
  6. Step 6: Final answer
    x = 1,230,633.61

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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.