Home / 1,192,137.33-1,645,192.77-682,938.12

Finding the Fourth Proportional to 1,192,137.33, 1,645,192.77 and 682,938.12

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Solution

The fourth proportional to 1,192,137.33, 1,645,192.77 and 682,938.12 is: 942,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,137.33 : 1,645,192.77 = 682,938.12 : x
  2. Step 2: Convert to fraction form
    1,192,137.33/1,645,192.77 = 682,938.12/x
  3. Step 3: Cross multiply
    1,192,137.33x = 1,645,192.77 × 682,938.12
  4. Step 4: Simplify right side
    1,192,137.33x = 1,123,564,857,381.39
  5. Step 5: Solve for x
    x = 1,123,564,857,381.39/1,192,137.33
  6. Step 6: Final answer
    x = 942,479.38

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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.