Home / 1,080,847.20-1,622,192.40-482,728.80

Finding the Fourth Proportional to 1,080,847.20, 1,622,192.40 and 482,728.80

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Solution

The fourth proportional to 1,080,847.20, 1,622,192.40 and 482,728.80 is: 724,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,847.20 : 1,622,192.40 = 482,728.80 : x
  2. Step 2: Convert to fraction form
    1,080,847.20/1,622,192.40 = 482,728.80/x
  3. Step 3: Cross multiply
    1,080,847.20x = 1,622,192.40 × 482,728.80
  4. Step 4: Simplify right side
    1,080,847.20x = 783,078,990,621.12
  5. Step 5: Solve for x
    x = 783,078,990,621.12/1,080,847.20
  6. Step 6: Final answer
    x = 724,504.81

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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.