Home / 764,454.59-1,146,688.83-231,975.64

Finding the Fourth Proportional to 764,454.59, 1,146,688.83 and 231,975.64

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Solution

The fourth proportional to 764,454.59, 1,146,688.83 and 231,975.64 is: 347,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,454.59 : 1,146,688.83 = 231,975.64 : x
  2. Step 2: Convert to fraction form
    764,454.59/1,146,688.83 = 231,975.64/x
  3. Step 3: Cross multiply
    764,454.59x = 1,146,688.83 × 231,975.64
  4. Step 4: Simplify right side
    764,454.59x = 266,003,872,353.38
  5. Step 5: Solve for x
    x = 266,003,872,353.38/764,454.59
  6. Step 6: Final answer
    x = 347,965.57

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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.