Home / 372,170.05-513,710.30-295,824.61

Finding the Fourth Proportional to 372,170.05, 513,710.30 and 295,824.61

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Solution

The fourth proportional to 372,170.05, 513,710.30 and 295,824.61 is: 408,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,170.05 : 513,710.30 = 295,824.61 : x
  2. Step 2: Convert to fraction form
    372,170.05/513,710.30 = 295,824.61/x
  3. Step 3: Cross multiply
    372,170.05x = 513,710.30 × 295,824.61
  4. Step 4: Simplify right side
    372,170.05x = 151,968,149,150.48
  5. Step 5: Solve for x
    x = 151,968,149,150.48/372,170.05
  6. Step 6: Final answer
    x = 408,329.87

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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.