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Finding the Fourth Proportional to 1,040,850, 1,436,373 and 563,922

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Solution

The fourth proportional to 1,040,850, 1,436,373 and 563,922 is: 778,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,850 : 1,436,373 = 563,922 : x
  2. Step 2: Convert to fraction form
    1,040,850/1,436,373 = 563,922/x
  3. Step 3: Cross multiply
    1,040,850x = 1,436,373 × 563,922
  4. Step 4: Simplify right side
    1,040,850x = 810,002,334,906
  5. Step 5: Solve for x
    x = 810,002,334,906/1,040,850
  6. Step 6: Final answer
    x = 778,212.36

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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.