Home / 408,660.09-563,942.13-236,585.33

Finding the Fourth Proportional to 408,660.09, 563,942.13 and 236,585.33

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Solution

The fourth proportional to 408,660.09, 563,942.13 and 236,585.33 is: 326,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,660.09 : 563,942.13 = 236,585.33 : x
  2. Step 2: Convert to fraction form
    408,660.09/563,942.13 = 236,585.33/x
  3. Step 3: Cross multiply
    408,660.09x = 563,942.13 × 236,585.33
  4. Step 4: Simplify right side
    408,660.09x = 133,420,434,926.95
  5. Step 5: Solve for x
    x = 133,420,434,926.95/408,660.09
  6. Step 6: Final answer
    x = 326,482.66

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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.