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Finding the Fourth Proportional to 1,344,654.94, 1,855,623.80 and 741,042.94

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Solution

The fourth proportional to 1,344,654.94, 1,855,623.80 and 741,042.94 is: 1,022,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,654.94 : 1,855,623.80 = 741,042.94 : x
  2. Step 2: Convert to fraction form
    1,344,654.94/1,855,623.80 = 741,042.94/x
  3. Step 3: Cross multiply
    1,344,654.94x = 1,855,623.80 × 741,042.94
  4. Step 4: Simplify right side
    1,344,654.94x = 1,375,096,916,285.97
  5. Step 5: Solve for x
    x = 1,375,096,916,285.97/1,344,654.94
  6. Step 6: Final answer
    x = 1,022,639.25

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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.