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Finding the Fourth Proportional to 1,410,054.22, 1,945,669.52 and 806,325.58

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Solution

The fourth proportional to 1,410,054.22, 1,945,669.52 and 806,325.58 is: 1,112,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,054.22 : 1,945,669.52 = 806,325.58 : x
  2. Step 2: Convert to fraction form
    1,410,054.22/1,945,669.52 = 806,325.58/x
  3. Step 3: Cross multiply
    1,410,054.22x = 1,945,669.52 × 806,325.58
  4. Step 4: Simplify right side
    1,410,054.22x = 1,568,843,104,202.32
  5. Step 5: Solve for x
    x = 1,568,843,104,202.32/1,410,054.22
  6. Step 6: Final answer
    x = 1,112,611.90

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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.