Home / 821,094.40-1,231,641.60-504,524.80

Finding the Fourth Proportional to 821,094.40, 1,231,641.60 and 504,524.80

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Solution

The fourth proportional to 821,094.40, 1,231,641.60 and 504,524.80 is: 756,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,094.40 : 1,231,641.60 = 504,524.80 : x
  2. Step 2: Convert to fraction form
    821,094.40/1,231,641.60 = 504,524.80/x
  3. Step 3: Cross multiply
    821,094.40x = 1,231,641.60 × 504,524.80
  4. Step 4: Simplify right side
    821,094.40x = 621,393,731,911.68
  5. Step 5: Solve for x
    x = 621,393,731,911.68/821,094.40
  6. Step 6: Final answer
    x = 756,787.20

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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.