Home / 764,460.62-1,146,697.83-231,981.64

Finding the Fourth Proportional to 764,460.62, 1,146,697.83 and 231,981.64

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Solution

The fourth proportional to 764,460.62, 1,146,697.83 and 231,981.64 is: 347,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,460.62 : 1,146,697.83 = 231,981.64 : x
  2. Step 2: Convert to fraction form
    764,460.62/1,146,697.83 = 231,981.64/x
  3. Step 3: Cross multiply
    764,460.62x = 1,146,697.83 × 231,981.64
  4. Step 4: Simplify right side
    764,460.62x = 266,012,840,321.10
  5. Step 5: Solve for x
    x = 266,012,840,321.10/764,460.62
  6. Step 6: Final answer
    x = 347,974.55

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Double scale
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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.