Home / 408,660.38-563,942.49-236,585.63

Finding the Fourth Proportional to 408,660.38, 563,942.49 and 236,585.63

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Solution

The fourth proportional to 408,660.38, 563,942.49 and 236,585.63 is: 326,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,660.38 : 563,942.49 = 236,585.63 : x
  2. Step 2: Convert to fraction form
    408,660.38/563,942.49 = 236,585.63/x
  3. Step 3: Cross multiply
    408,660.38x = 563,942.49 × 236,585.63
  4. Step 4: Simplify right side
    408,660.38x = 133,420,689,280.42
  5. Step 5: Solve for x
    x = 133,420,689,280.42/408,660.38
  6. Step 6: Final answer
    x = 326,483.05

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1.5x scale

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.