Home / 940,999.20-1,410,705.30-408,118.89

Finding the Fourth Proportional to 940,999.20, 1,410,705.30 and 408,118.89

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Solution

The fourth proportional to 940,999.20, 1,410,705.30 and 408,118.89 is: 611,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,999.20 : 1,410,705.30 = 408,118.89 : x
  2. Step 2: Convert to fraction form
    940,999.20/1,410,705.30 = 408,118.89/x
  3. Step 3: Cross multiply
    940,999.20x = 1,410,705.30 × 408,118.89
  4. Step 4: Simplify right side
    940,999.20x = 575,735,481,153.12
  5. Step 5: Solve for x
    x = 575,735,481,153.12/940,999.20
  6. Step 6: Final answer
    x = 611,834.19

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