Home / 667,552.58-1,001,390.44-218,275.76

Finding the Fourth Proportional to 667,552.58, 1,001,390.44 and 218,275.76

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Solution

The fourth proportional to 667,552.58, 1,001,390.44 and 218,275.76 is: 327,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,552.58 : 1,001,390.44 = 218,275.76 : x
  2. Step 2: Convert to fraction form
    667,552.58/1,001,390.44 = 218,275.76/x
  3. Step 3: Cross multiply
    667,552.58x = 1,001,390.44 × 218,275.76
  4. Step 4: Simplify right side
    667,552.58x = 218,579,253,795.09
  5. Step 5: Solve for x
    x = 218,579,253,795.09/667,552.58
  6. Step 6: Final answer
    x = 327,433.76

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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.