Home / 566,836.38-782,198.31-312,187.56

Finding the Fourth Proportional to 566,836.38, 782,198.31 and 312,187.56

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Solution

The fourth proportional to 566,836.38, 782,198.31 and 312,187.56 is: 430,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,836.38 : 782,198.31 = 312,187.56 : x
  2. Step 2: Convert to fraction form
    566,836.38/782,198.31 = 312,187.56/x
  3. Step 3: Cross multiply
    566,836.38x = 782,198.31 × 312,187.56
  4. Step 4: Simplify right side
    566,836.38x = 244,192,581,835.02
  5. Step 5: Solve for x
    x = 244,192,581,835.02/566,836.38
  6. Step 6: Final answer
    x = 430,799.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.