Home / 408,981.41-564,308.80-236,837.43

Finding the Fourth Proportional to 408,981.41, 564,308.80 and 236,837.43

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Solution

The fourth proportional to 408,981.41, 564,308.80 and 236,837.43 is: 326,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,981.41 : 564,308.80 = 236,837.43 : x
  2. Step 2: Convert to fraction form
    408,981.41/564,308.80 = 236,837.43/x
  3. Step 3: Cross multiply
    408,981.41x = 564,308.80 × 236,837.43
  4. Step 4: Simplify right side
    408,981.41x = 133,649,445,326.29
  5. Step 5: Solve for x
    x = 133,649,445,326.29/408,981.41
  6. Step 6: Final answer
    x = 326,786.11

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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.