Home / 547,758.20-821,637.30-252,846.20

Finding the Fourth Proportional to 547,758.20, 821,637.30 and 252,846.20

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Solution

The fourth proportional to 547,758.20, 821,637.30 and 252,846.20 is: 379,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,758.20 : 821,637.30 = 252,846.20 : x
  2. Step 2: Convert to fraction form
    547,758.20/821,637.30 = 252,846.20/x
  3. Step 3: Cross multiply
    547,758.20x = 821,637.30 × 252,846.20
  4. Step 4: Simplify right side
    547,758.20x = 207,747,869,083.26
  5. Step 5: Solve for x
    x = 207,747,869,083.26/547,758.20
  6. Step 6: Final answer
    x = 379,269.30

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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.