Home / 764,453.84-1,146,687.71-231,974.89

Finding the Fourth Proportional to 764,453.84, 1,146,687.71 and 231,974.89

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Solution

The fourth proportional to 764,453.84, 1,146,687.71 and 231,974.89 is: 347,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,453.84 : 1,146,687.71 = 231,974.89 : x
  2. Step 2: Convert to fraction form
    764,453.84/1,146,687.71 = 231,974.89/x
  3. Step 3: Cross multiply
    764,453.84x = 1,146,687.71 × 231,974.89
  4. Step 4: Simplify right side
    764,453.84x = 266,002,751,365.01
  5. Step 5: Solve for x
    x = 266,002,751,365.01/764,453.84
  6. Step 6: Final answer
    x = 347,964.44

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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.