Home / 665,896.68-998,854.23-216,619.89

Finding the Fourth Proportional to 665,896.68, 998,854.23 and 216,619.89

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Solution

The fourth proportional to 665,896.68, 998,854.23 and 216,619.89 is: 324,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,896.68 : 998,854.23 = 216,619.89 : x
  2. Step 2: Convert to fraction form
    665,896.68/998,854.23 = 216,619.89/x
  3. Step 3: Cross multiply
    665,896.68x = 998,854.23 × 216,619.89
  4. Step 4: Simplify right side
    665,896.68x = 216,371,693,428.64
  5. Step 5: Solve for x
    x = 216,371,693,428.64/665,896.68
  6. Step 6: Final answer
    x = 324,932.83

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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.