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Finding the Fourth Proportional to 2,113,668, 3,169,836 and 693,393.12

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Solution

The fourth proportional to 2,113,668, 3,169,836 and 693,393.12 is: 1,039,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,668 : 3,169,836 = 693,393.12 : x
  2. Step 2: Convert to fraction form
    2,113,668/3,169,836 = 693,393.12/x
  3. Step 3: Cross multiply
    2,113,668x = 3,169,836 × 693,393.12
  4. Step 4: Simplify right side
    2,113,668x = 2,197,942,473,928.32
  5. Step 5: Solve for x
    x = 2,197,942,473,928.32/2,113,668
  6. Step 6: Final answer
    x = 1,039,871.20

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