Home / 463,640.40-694,942.20-197,355.60

Finding the Fourth Proportional to 463,640.40, 694,942.20 and 197,355.60

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Solution

The fourth proportional to 463,640.40, 694,942.20 and 197,355.60 is: 295,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,640.40 : 694,942.20 = 197,355.60 : x
  2. Step 2: Convert to fraction form
    463,640.40/694,942.20 = 197,355.60/x
  3. Step 3: Cross multiply
    463,640.40x = 694,942.20 × 197,355.60
  4. Step 4: Simplify right side
    463,640.40x = 137,150,734,846.32
  5. Step 5: Solve for x
    x = 137,150,734,846.32/463,640.40
  6. Step 6: Final answer
    x = 295,812.74

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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.