Home / 764,456.09-1,146,691.08-231,977.14

Finding the Fourth Proportional to 764,456.09, 1,146,691.08 and 231,977.14

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Solution

The fourth proportional to 764,456.09, 1,146,691.08 and 231,977.14 is: 347,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,456.09 : 1,146,691.08 = 231,977.14 : x
  2. Step 2: Convert to fraction form
    764,456.09/1,146,691.08 = 231,977.14/x
  3. Step 3: Cross multiply
    764,456.09x = 1,146,691.08 × 231,977.14
  4. Step 4: Simplify right side
    764,456.09x = 266,006,114,335.18
  5. Step 5: Solve for x
    x = 266,006,114,335.18/764,456.09
  6. Step 6: Final answer
    x = 347,967.82

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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.