Home / 627,115.70-940,401.38-227,623.70

Finding the Fourth Proportional to 627,115.70, 940,401.38 and 227,623.70

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Solution

The fourth proportional to 627,115.70, 940,401.38 and 227,623.70 is: 341,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,115.70 : 940,401.38 = 227,623.70 : x
  2. Step 2: Convert to fraction form
    627,115.70/940,401.38 = 227,623.70/x
  3. Step 3: Cross multiply
    627,115.70x = 940,401.38 × 227,623.70
  4. Step 4: Simplify right side
    627,115.70x = 214,057,641,600.71
  5. Step 5: Solve for x
    x = 214,057,641,600.71/627,115.70
  6. Step 6: Final answer
    x = 341,336.76

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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.