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Finding the Fourth Proportional to 1,442,754, 1,991,092.68 and 806,850

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Solution

The fourth proportional to 1,442,754, 1,991,092.68 and 806,850 is: 1,113,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,754 : 1,991,092.68 = 806,850 : x
  2. Step 2: Convert to fraction form
    1,442,754/1,991,092.68 = 806,850/x
  3. Step 3: Cross multiply
    1,442,754x = 1,991,092.68 × 806,850
  4. Step 4: Simplify right side
    1,442,754x = 1,606,513,128,858
  5. Step 5: Solve for x
    x = 1,606,513,128,858/1,442,754
  6. Step 6: Final answer
    x = 1,113,504.54

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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.