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Finding the Fourth Proportional to 1,229,954.80, 1,845,709.80 and 724,514.80

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Solution

The fourth proportional to 1,229,954.80, 1,845,709.80 and 724,514.80 is: 1,087,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,954.80 : 1,845,709.80 = 724,514.80 : x
  2. Step 2: Convert to fraction form
    1,229,954.80/1,845,709.80 = 724,514.80/x
  3. Step 3: Cross multiply
    1,229,954.80x = 1,845,709.80 × 724,514.80
  4. Step 4: Simplify right side
    1,229,954.80x = 1,337,244,066,605.04
  5. Step 5: Solve for x
    x = 1,337,244,066,605.04/1,229,954.80
  6. Step 6: Final answer
    x = 1,087,230.25

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