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Finding the Fourth Proportional to 1,686,940.97, 2,327,920.64 and 962,022

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Solution

The fourth proportional to 1,686,940.97, 2,327,920.64 and 962,022 is: 1,327,557.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,940.97 : 2,327,920.64 = 962,022 : x
  2. Step 2: Convert to fraction form
    1,686,940.97/2,327,920.64 = 962,022/x
  3. Step 3: Cross multiply
    1,686,940.97x = 2,327,920.64 × 962,022
  4. Step 4: Simplify right side
    1,686,940.97x = 2,239,510,869,934.08
  5. Step 5: Solve for x
    x = 2,239,510,869,934.08/1,686,940.97
  6. Step 6: Final answer
    x = 1,327,557.34

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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.