Home / 729,892.80-1,094,839.20-231,256.80

Finding the Fourth Proportional to 729,892.80, 1,094,839.20 and 231,256.80

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Solution

The fourth proportional to 729,892.80, 1,094,839.20 and 231,256.80 is: 346,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,892.80 : 1,094,839.20 = 231,256.80 : x
  2. Step 2: Convert to fraction form
    729,892.80/1,094,839.20 = 231,256.80/x
  3. Step 3: Cross multiply
    729,892.80x = 1,094,839.20 × 231,256.80
  4. Step 4: Simplify right side
    729,892.80x = 253,189,009,906.56
  5. Step 5: Solve for x
    x = 253,189,009,906.56/729,892.80
  6. Step 6: Final answer
    x = 346,885.20

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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.