Home / 522,186.50-720,618.09-295,847.30

Finding the Fourth Proportional to 522,186.50, 720,618.09 and 295,847.30

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Solution

The fourth proportional to 522,186.50, 720,618.09 and 295,847.30 is: 408,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,186.50 : 720,618.09 = 295,847.30 : x
  2. Step 2: Convert to fraction form
    522,186.50/720,618.09 = 295,847.30/x
  3. Step 3: Cross multiply
    522,186.50x = 720,618.09 × 295,847.30
  4. Step 4: Simplify right side
    522,186.50x = 213,192,916,257.66
  5. Step 5: Solve for x
    x = 213,192,916,257.66/522,186.50
  6. Step 6: Final answer
    x = 408,269.68

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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.