Home / 558,550.80-770,857.20-329,179.44

Finding the Fourth Proportional to 558,550.80, 770,857.20 and 329,179.44

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Solution

The fourth proportional to 558,550.80, 770,857.20 and 329,179.44 is: 454,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,550.80 : 770,857.20 = 329,179.44 : x
  2. Step 2: Convert to fraction form
    558,550.80/770,857.20 = 329,179.44/x
  3. Step 3: Cross multiply
    558,550.80x = 770,857.20 × 329,179.44
  4. Step 4: Simplify right side
    558,550.80x = 253,750,341,415.97
  5. Step 5: Solve for x
    x = 253,750,341,415.97/558,550.80
  6. Step 6: Final answer
    x = 454,301.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.