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Finding the Fourth Proportional to 1,314,980.54, 1,972,583.12 and 461,978.09

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Solution

The fourth proportional to 1,314,980.54, 1,972,583.12 and 461,978.09 is: 693,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,980.54 : 1,972,583.12 = 461,978.09 : x
  2. Step 2: Convert to fraction form
    1,314,980.54/1,972,583.12 = 461,978.09/x
  3. Step 3: Cross multiply
    1,314,980.54x = 1,972,583.12 × 461,978.09
  4. Step 4: Simplify right side
    1,314,980.54x = 911,290,182,143.84
  5. Step 5: Solve for x
    x = 911,290,182,143.84/1,314,980.54
  6. Step 6: Final answer
    x = 693,006.59

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