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Finding the Fourth Proportional to 1,978,857.13, 2,730,823.73 and 1,119,399.07

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Solution

The fourth proportional to 1,978,857.13, 2,730,823.73 and 1,119,399.07 is: 1,544,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,857.13 : 2,730,823.73 = 1,119,399.07 : x
  2. Step 2: Convert to fraction form
    1,978,857.13/2,730,823.73 = 1,119,399.07/x
  3. Step 3: Cross multiply
    1,978,857.13x = 2,730,823.73 × 1,119,399.07
  4. Step 4: Simplify right side
    1,978,857.13x = 3,056,881,543,695.93
  5. Step 5: Solve for x
    x = 3,056,881,543,695.93/1,978,857.13
  6. Step 6: Final answer
    x = 1,544,771.22

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