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Finding the Fourth Proportional to 5,300,647.24, 7,950,883.36 and 1,311,559.24

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Solution

The fourth proportional to 5,300,647.24, 7,950,883.36 and 1,311,559.24 is: 1,967,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300,647.24 : 7,950,883.36 = 1,311,559.24 : x
  2. Step 2: Convert to fraction form
    5,300,647.24/7,950,883.36 = 1,311,559.24/x
  3. Step 3: Cross multiply
    5,300,647.24x = 7,950,883.36 × 1,311,559.24
  4. Step 4: Simplify right side
    5,300,647.24x = 10,428,054,536,970.25
  5. Step 5: Solve for x
    x = 10,428,054,536,970.25/5,300,647.24
  6. Step 6: Final answer
    x = 1,967,317.21

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