Home / 372,988.75-558,819.72-214,890.52

Finding the Fourth Proportional to 372,988.75, 558,819.72 and 214,890.52

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Solution

The fourth proportional to 372,988.75, 558,819.72 and 214,890.52 is: 321,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,988.75 : 558,819.72 = 214,890.52 : x
  2. Step 2: Convert to fraction form
    372,988.75/558,819.72 = 214,890.52/x
  3. Step 3: Cross multiply
    372,988.75x = 558,819.72 × 214,890.52
  4. Step 4: Simplify right side
    372,988.75x = 120,085,060,217.05
  5. Step 5: Solve for x
    x = 120,085,060,217.05/372,988.75
  6. Step 6: Final answer
    x = 321,953.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.