Home / 379,296.11-523,438.82-207,221.33

Finding the Fourth Proportional to 379,296.11, 523,438.82 and 207,221.33

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Solution

The fourth proportional to 379,296.11, 523,438.82 and 207,221.33 is: 285,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,296.11 : 523,438.82 = 207,221.33 : x
  2. Step 2: Convert to fraction form
    379,296.11/523,438.82 = 207,221.33/x
  3. Step 3: Cross multiply
    379,296.11x = 523,438.82 × 207,221.33
  4. Step 4: Simplify right side
    379,296.11x = 108,467,688,454.03
  5. Step 5: Solve for x
    x = 108,467,688,454.03/379,296.11
  6. Step 6: Final answer
    x = 285,971.00

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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.