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Finding the Fourth Proportional to 1,158,736.92, 1,738,236.60 and 1,039,676.64

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Solution

The fourth proportional to 1,158,736.92, 1,738,236.60 and 1,039,676.64 is: 1,559,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,736.92 : 1,738,236.60 = 1,039,676.64 : x
  2. Step 2: Convert to fraction form
    1,158,736.92/1,738,236.60 = 1,039,676.64/x
  3. Step 3: Cross multiply
    1,158,736.92x = 1,738,236.60 × 1,039,676.64
  4. Step 4: Simplify right side
    1,158,736.92x = 1,807,203,987,813.02
  5. Step 5: Solve for x
    x = 1,807,203,987,813.02/1,158,736.92
  6. Step 6: Final answer
    x = 1,559,632.70

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