Home / 449,780.60-674,857.37-196,930.58

Finding the Fourth Proportional to 449,780.60, 674,857.37 and 196,930.58

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Solution

The fourth proportional to 449,780.60, 674,857.37 and 196,930.58 is: 295,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,780.60 : 674,857.37 = 196,930.58 : x
  2. Step 2: Convert to fraction form
    449,780.60/674,857.37 = 196,930.58/x
  3. Step 3: Cross multiply
    449,780.60x = 674,857.37 × 196,930.58
  4. Step 4: Simplify right side
    449,780.60x = 132,900,050,409.41
  5. Step 5: Solve for x
    x = 132,900,050,409.41/449,780.60
  6. Step 6: Final answer
    x = 295,477.51

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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.