Home / 1,112,926.94-1,535,839.28-629,481.68

Finding the Fourth Proportional to 1,112,926.94, 1,535,839.28 and 629,481.68

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Solution

The fourth proportional to 1,112,926.94, 1,535,839.28 and 629,481.68 is: 868,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,926.94 : 1,535,839.28 = 629,481.68 : x
  2. Step 2: Convert to fraction form
    1,112,926.94/1,535,839.28 = 629,481.68/x
  3. Step 3: Cross multiply
    1,112,926.94x = 1,535,839.28 × 629,481.68
  4. Step 4: Simplify right side
    1,112,926.94x = 966,782,690,184.39
  5. Step 5: Solve for x
    x = 966,782,690,184.39/1,112,926.94
  6. Step 6: Final answer
    x = 868,684.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.