Home / 482,480.45-723,720.67-198,122.61

Finding the Fourth Proportional to 482,480.45, 723,720.67 and 198,122.61

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Solution

The fourth proportional to 482,480.45, 723,720.67 and 198,122.61 is: 297,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,480.45 : 723,720.67 = 198,122.61 : x
  2. Step 2: Convert to fraction form
    482,480.45/723,720.67 = 198,122.61/x
  3. Step 3: Cross multiply
    482,480.45x = 723,720.67 × 198,122.61
  4. Step 4: Simplify right side
    482,480.45x = 143,385,427,313.51
  5. Step 5: Solve for x
    x = 143,385,427,313.51/482,480.45
  6. Step 6: Final answer
    x = 297,183.91

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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.