Home / 547,244.80-820,867.20-192,140.80

Finding the Fourth Proportional to 547,244.80, 820,867.20 and 192,140.80

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Solution

The fourth proportional to 547,244.80, 820,867.20 and 192,140.80 is: 288,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,244.80 : 820,867.20 = 192,140.80 : x
  2. Step 2: Convert to fraction form
    547,244.80/820,867.20 = 192,140.80/x
  3. Step 3: Cross multiply
    547,244.80x = 820,867.20 × 192,140.80
  4. Step 4: Simplify right side
    547,244.80x = 157,722,080,501.76
  5. Step 5: Solve for x
    x = 157,722,080,501.76/547,244.80
  6. Step 6: Final answer
    x = 288,211.20

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Similar ratio
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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.