Home / 766,081.31-1,149,308.09-233,611.79

Finding the Fourth Proportional to 766,081.31, 1,149,308.09 and 233,611.79

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Solution

The fourth proportional to 766,081.31, 1,149,308.09 and 233,611.79 is: 350,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,081.31 : 1,149,308.09 = 233,611.79 : x
  2. Step 2: Convert to fraction form
    766,081.31/1,149,308.09 = 233,611.79/x
  3. Step 3: Cross multiply
    766,081.31x = 1,149,308.09 × 233,611.79
  4. Step 4: Simplify right side
    766,081.31x = 268,491,918,998.32
  5. Step 5: Solve for x
    x = 268,491,918,998.32/766,081.31
  6. Step 6: Final answer
    x = 350,474.44

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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.