Home / 348,823.20-523,234.80-248,439.90

Finding the Fourth Proportional to 348,823.20, 523,234.80 and 248,439.90

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Solution

The fourth proportional to 348,823.20, 523,234.80 and 248,439.90 is: 372,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,823.20 : 523,234.80 = 248,439.90 : x
  2. Step 2: Convert to fraction form
    348,823.20/523,234.80 = 248,439.90/x
  3. Step 3: Cross multiply
    348,823.20x = 523,234.80 × 248,439.90
  4. Step 4: Simplify right side
    348,823.20x = 129,992,401,388.52
  5. Step 5: Solve for x
    x = 129,992,401,388.52/348,823.20
  6. Step 6: Final answer
    x = 372,659.85

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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.