Home / 689,181.60-1,033,765.92-239,901.60

Finding the Fourth Proportional to 689,181.60, 1,033,765.92 and 239,901.60

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Solution

The fourth proportional to 689,181.60, 1,033,765.92 and 239,901.60 is: 359,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,181.60 : 1,033,765.92 = 239,901.60 : x
  2. Step 2: Convert to fraction form
    689,181.60/1,033,765.92 = 239,901.60/x
  3. Step 3: Cross multiply
    689,181.60x = 1,033,765.92 × 239,901.60
  4. Step 4: Simplify right side
    689,181.60x = 248,002,098,233.47
  5. Step 5: Solve for x
    x = 248,002,098,233.47/689,181.60
  6. Step 6: Final answer
    x = 359,850.14

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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.