Home / 547,698.92-821,617.63-187,939.85

Finding the Fourth Proportional to 547,698.92, 821,617.63 and 187,939.85

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Solution

The fourth proportional to 547,698.92, 821,617.63 and 187,939.85 is: 281,933.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,698.92 : 821,617.63 = 187,939.85 : x
  2. Step 2: Convert to fraction form
    547,698.92/821,617.63 = 187,939.85/x
  3. Step 3: Cross multiply
    547,698.92x = 821,617.63 × 187,939.85
  4. Step 4: Simplify right side
    547,698.92x = 154,414,689,561.62
  5. Step 5: Solve for x
    x = 154,414,689,561.62/547,698.92
  6. Step 6: Final answer
    x = 281,933.53

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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.