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Finding the Fourth Proportional to 1,993,743.60, 2,990,615.40 and 928,893.30

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Solution

The fourth proportional to 1,993,743.60, 2,990,615.40 and 928,893.30 is: 1,393,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,743.60 : 2,990,615.40 = 928,893.30 : x
  2. Step 2: Convert to fraction form
    1,993,743.60/2,990,615.40 = 928,893.30/x
  3. Step 3: Cross multiply
    1,993,743.60x = 2,990,615.40 × 928,893.30
  4. Step 4: Simplify right side
    1,993,743.60x = 2,777,962,607,936.82
  5. Step 5: Solve for x
    x = 2,777,962,607,936.82/1,993,743.60
  6. Step 6: Final answer
    x = 1,393,339.95

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