Home / 1,192,136.07-1,645,191.04-682,936.86

Finding the Fourth Proportional to 1,192,136.07, 1,645,191.04 and 682,936.86

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Solution

The fourth proportional to 1,192,136.07, 1,645,191.04 and 682,936.86 is: 942,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,136.07 : 1,645,191.04 = 682,936.86 : x
  2. Step 2: Convert to fraction form
    1,192,136.07/1,645,191.04 = 682,936.86/x
  3. Step 3: Cross multiply
    1,192,136.07x = 1,645,191.04 × 682,936.86
  4. Step 4: Simplify right side
    1,192,136.07x = 1,123,561,602,957.73
  5. Step 5: Solve for x
    x = 1,123,561,602,957.73/1,192,136.07
  6. Step 6: Final answer
    x = 942,477.65

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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.