Home / 439,819.88-606,948.90-238,611.56

Finding the Fourth Proportional to 439,819.88, 606,948.90 and 238,611.56

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Solution

The fourth proportional to 439,819.88, 606,948.90 and 238,611.56 is: 329,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,819.88 : 606,948.90 = 238,611.56 : x
  2. Step 2: Convert to fraction form
    439,819.88/606,948.90 = 238,611.56/x
  3. Step 3: Cross multiply
    439,819.88x = 606,948.90 × 238,611.56
  4. Step 4: Simplify right side
    439,819.88x = 144,825,023,869.28
  5. Step 5: Solve for x
    x = 144,825,023,869.28/439,819.88
  6. Step 6: Final answer
    x = 329,282.58

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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.