Home / 383,163.22-528,781.80-213,397.34

Finding the Fourth Proportional to 383,163.22, 528,781.80 and 213,397.34

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Solution

The fourth proportional to 383,163.22, 528,781.80 and 213,397.34 is: 294,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,163.22 : 528,781.80 = 213,397.34 : x
  2. Step 2: Convert to fraction form
    383,163.22/528,781.80 = 213,397.34/x
  3. Step 3: Cross multiply
    383,163.22x = 528,781.80 × 213,397.34
  4. Step 4: Simplify right side
    383,163.22x = 112,840,629,560.41
  5. Step 5: Solve for x
    x = 112,840,629,560.41/383,163.22
  6. Step 6: Final answer
    x = 294,497.55

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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.