Home / 681,955.76-1,022,637.20-195,530.78

Finding the Fourth Proportional to 681,955.76, 1,022,637.20 and 195,530.78

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Solution

The fourth proportional to 681,955.76, 1,022,637.20 and 195,530.78 is: 293,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,955.76 : 1,022,637.20 = 195,530.78 : x
  2. Step 2: Convert to fraction form
    681,955.76/1,022,637.20 = 195,530.78/x
  3. Step 3: Cross multiply
    681,955.76x = 1,022,637.20 × 195,530.78
  4. Step 4: Simplify right side
    681,955.76x = 199,957,043,282.18
  5. Step 5: Solve for x
    x = 199,957,043,282.18/681,955.76
  6. Step 6: Final answer
    x = 293,211.17

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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.