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Finding the Fourth Proportional to 975,807.20, 1,461,637.20 and 809,919.20

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Solution

The fourth proportional to 975,807.20, 1,461,637.20 and 809,919.20 is: 1,213,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,807.20 : 1,461,637.20 = 809,919.20 : x
  2. Step 2: Convert to fraction form
    975,807.20/1,461,637.20 = 809,919.20/x
  3. Step 3: Cross multiply
    975,807.20x = 1,461,637.20 × 809,919.20
  4. Step 4: Simplify right side
    975,807.20x = 1,183,808,031,714.24
  5. Step 5: Solve for x
    x = 1,183,808,031,714.24/975,807.20
  6. Step 6: Final answer
    x = 1,213,157.71

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