Home / 726,022.60-1,090,200.30-548,729.80

Finding the Fourth Proportional to 726,022.60, 1,090,200.30 and 548,729.80

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Solution

The fourth proportional to 726,022.60, 1,090,200.30 and 548,729.80 is: 823,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,022.60 : 1,090,200.30 = 548,729.80 : x
  2. Step 2: Convert to fraction form
    726,022.60/1,090,200.30 = 548,729.80/x
  3. Step 3: Cross multiply
    726,022.60x = 1,090,200.30 × 548,729.80
  4. Step 4: Simplify right side
    726,022.60x = 598,225,392,578.94
  5. Step 5: Solve for x
    x = 598,225,392,578.94/726,022.60
  6. Step 6: Final answer
    x = 823,976.27

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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.