Home / 408,660.13-563,942.15-236,585.39

Finding the Fourth Proportional to 408,660.13, 563,942.15 and 236,585.39

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Solution

The fourth proportional to 408,660.13, 563,942.15 and 236,585.39 is: 326,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,660.13 : 563,942.15 = 236,585.39 : x
  2. Step 2: Convert to fraction form
    408,660.13/563,942.15 = 236,585.39/x
  3. Step 3: Cross multiply
    408,660.13x = 563,942.15 × 236,585.39
  4. Step 4: Simplify right side
    408,660.13x = 133,420,469,492.55
  5. Step 5: Solve for x
    x = 133,420,469,492.55/408,660.13
  6. Step 6: Final answer
    x = 326,482.72

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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.