Home / 382,937.27-528,453.25-213,211.49

Finding the Fourth Proportional to 382,937.27, 528,453.25 and 213,211.49

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Solution

The fourth proportional to 382,937.27, 528,453.25 and 213,211.49 is: 294,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,937.27 : 528,453.25 = 213,211.49 : x
  2. Step 2: Convert to fraction form
    382,937.27/528,453.25 = 213,211.49/x
  3. Step 3: Cross multiply
    382,937.27x = 528,453.25 × 213,211.49
  4. Step 4: Simplify right side
    382,937.27x = 112,672,301,652.55
  5. Step 5: Solve for x
    x = 112,672,301,652.55/382,937.27
  6. Step 6: Final answer
    x = 294,231.75

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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.