Home / 372,918.28-558,933.18-214,819.24

Finding the Fourth Proportional to 372,918.28, 558,933.18 and 214,819.24

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Solution

The fourth proportional to 372,918.28, 558,933.18 and 214,819.24 is: 321,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,918.28 : 558,933.18 = 214,819.24 : x
  2. Step 2: Convert to fraction form
    372,918.28/558,933.18 = 214,819.24/x
  3. Step 3: Cross multiply
    372,918.28x = 558,933.18 × 214,819.24
  4. Step 4: Simplify right side
    372,918.28x = 120,069,600,938.38
  5. Step 5: Solve for x
    x = 120,069,600,938.38/372,918.28
  6. Step 6: Final answer
    x = 321,972.96

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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.