Home / 821,098.40-1,231,647.60-504,528.80

Finding the Fourth Proportional to 821,098.40, 1,231,647.60 and 504,528.80

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Solution

The fourth proportional to 821,098.40, 1,231,647.60 and 504,528.80 is: 756,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,098.40 : 1,231,647.60 = 504,528.80 : x
  2. Step 2: Convert to fraction form
    821,098.40/1,231,647.60 = 504,528.80/x
  3. Step 3: Cross multiply
    821,098.40x = 1,231,647.60 × 504,528.80
  4. Step 4: Simplify right side
    821,098.40x = 621,401,685,650.88
  5. Step 5: Solve for x
    x = 621,401,685,650.88/821,098.40
  6. Step 6: Final answer
    x = 756,793.20

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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.