Home / 828,976.80-1,244,079.60-548,400.80

Finding the Fourth Proportional to 828,976.80, 1,244,079.60 and 548,400.80

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Solution

The fourth proportional to 828,976.80, 1,244,079.60 and 548,400.80 is: 823,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,976.80 : 1,244,079.60 = 548,400.80 : x
  2. Step 2: Convert to fraction form
    828,976.80/1,244,079.60 = 548,400.80/x
  3. Step 3: Cross multiply
    828,976.80x = 1,244,079.60 × 548,400.80
  4. Step 4: Simplify right side
    828,976.80x = 682,254,247,903.68
  5. Step 5: Solve for x
    x = 682,254,247,903.68/828,976.80
  6. Step 6: Final answer
    x = 823,007.65

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1.5x scale

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.