Home / 754,135.20-1,131,202.80-333,194.40

Finding the Fourth Proportional to 754,135.20, 1,131,202.80 and 333,194.40

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Solution

The fourth proportional to 754,135.20, 1,131,202.80 and 333,194.40 is: 499,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,135.20 : 1,131,202.80 = 333,194.40 : x
  2. Step 2: Convert to fraction form
    754,135.20/1,131,202.80 = 333,194.40/x
  3. Step 3: Cross multiply
    754,135.20x = 1,131,202.80 × 333,194.40
  4. Step 4: Simplify right side
    754,135.20x = 376,910,438,224.32
  5. Step 5: Solve for x
    x = 376,910,438,224.32/754,135.20
  6. Step 6: Final answer
    x = 499,791.60

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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.