Home / 354,311.92-530,876.10-248,942.20

Finding the Fourth Proportional to 354,311.92, 530,876.10 and 248,942.20

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Solution

The fourth proportional to 354,311.92, 530,876.10 and 248,942.20 is: 372,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,311.92 : 530,876.10 = 248,942.20 : x
  2. Step 2: Convert to fraction form
    354,311.92/530,876.10 = 248,942.20/x
  3. Step 3: Cross multiply
    354,311.92x = 530,876.10 × 248,942.20
  4. Step 4: Simplify right side
    354,311.92x = 132,157,464,261.42
  5. Step 5: Solve for x
    x = 132,157,464,261.42/354,311.92
  6. Step 6: Final answer
    x = 372,997.51

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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.