Home / 1,125,471.29-1,687,681.46-405,718.20

Finding the Fourth Proportional to 1,125,471.29, 1,687,681.46 and 405,718.20

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Solution

The fourth proportional to 1,125,471.29, 1,687,681.46 and 405,718.20 is: 608,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,471.29 : 1,687,681.46 = 405,718.20 : x
  2. Step 2: Convert to fraction form
    1,125,471.29/1,687,681.46 = 405,718.20/x
  3. Step 3: Cross multiply
    1,125,471.29x = 1,687,681.46 × 405,718.20
  4. Step 4: Simplify right side
    1,125,471.29x = 684,723,085,138.87
  5. Step 5: Solve for x
    x = 684,723,085,138.87/1,125,471.29
  6. Step 6: Final answer
    x = 608,387.88

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