Home / 785,985.13-1,179,207.33-253,494.37

Finding the Fourth Proportional to 785,985.13, 1,179,207.33 and 253,494.37

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Solution

The fourth proportional to 785,985.13, 1,179,207.33 and 253,494.37 is: 380,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,985.13 : 1,179,207.33 = 253,494.37 : x
  2. Step 2: Convert to fraction form
    785,985.13/1,179,207.33 = 253,494.37/x
  3. Step 3: Cross multiply
    785,985.13x = 1,179,207.33 × 253,494.37
  4. Step 4: Simplify right side
    785,985.13x = 298,922,419,217.73
  5. Step 5: Solve for x
    x = 298,922,419,217.73/785,985.13
  6. Step 6: Final answer
    x = 380,315.62

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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.