Home / 547,756.20-821,634.30-252,844.20

Finding the Fourth Proportional to 547,756.20, 821,634.30 and 252,844.20

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Solution

The fourth proportional to 547,756.20, 821,634.30 and 252,844.20 is: 379,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,756.20 : 821,634.30 = 252,844.20 : x
  2. Step 2: Convert to fraction form
    547,756.20/821,634.30 = 252,844.20/x
  3. Step 3: Cross multiply
    547,756.20x = 821,634.30 × 252,844.20
  4. Step 4: Simplify right side
    547,756.20x = 207,745,467,276.06
  5. Step 5: Solve for x
    x = 207,745,467,276.06/547,756.20
  6. Step 6: Final answer
    x = 379,266.30

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Double scale
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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.