Home / 522,189.12-720,618.48-295,834.08

Finding the Fourth Proportional to 522,189.12, 720,618.48 and 295,834.08

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Solution

The fourth proportional to 522,189.12, 720,618.48 and 295,834.08 is: 408,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,189.12 : 720,618.48 = 295,834.08 : x
  2. Step 2: Convert to fraction form
    522,189.12/720,618.48 = 295,834.08/x
  3. Step 3: Cross multiply
    522,189.12x = 720,618.48 × 295,834.08
  4. Step 4: Simplify right side
    522,189.12x = 213,183,505,061.80
  5. Step 5: Solve for x
    x = 213,183,505,061.80/522,189.12
  6. Step 6: Final answer
    x = 408,249.61

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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.