Home / 402,832.20-603,519.30-192,005.40

Finding the Fourth Proportional to 402,832.20, 603,519.30 and 192,005.40

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Solution

The fourth proportional to 402,832.20, 603,519.30 and 192,005.40 is: 287,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,832.20 : 603,519.30 = 192,005.40 : x
  2. Step 2: Convert to fraction form
    402,832.20/603,519.30 = 192,005.40/x
  3. Step 3: Cross multiply
    402,832.20x = 603,519.30 × 192,005.40
  4. Step 4: Simplify right side
    402,832.20x = 115,878,964,604.22
  5. Step 5: Solve for x
    x = 115,878,964,604.22/402,832.20
  6. Step 6: Final answer
    x = 287,660.63

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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.