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Finding the Fourth Proportional to 1,319,616, 1,821,079.80 and 716,004

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Solution

The fourth proportional to 1,319,616, 1,821,079.80 and 716,004 is: 988,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,616 : 1,821,079.80 = 716,004 : x
  2. Step 2: Convert to fraction form
    1,319,616/1,821,079.80 = 716,004/x
  3. Step 3: Cross multiply
    1,319,616x = 1,821,079.80 × 716,004
  4. Step 4: Simplify right side
    1,319,616x = 1,303,900,421,119.20
  5. Step 5: Solve for x
    x = 1,303,900,421,119.20/1,319,616
  6. Step 6: Final answer
    x = 988,090.79

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