Home / 1,022,400.32-1,533,604.13-312,425.40

Finding the Fourth Proportional to 1,022,400.32, 1,533,604.13 and 312,425.40

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Solution

The fourth proportional to 1,022,400.32, 1,533,604.13 and 312,425.40 is: 468,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,400.32 : 1,533,604.13 = 312,425.40 : x
  2. Step 2: Convert to fraction form
    1,022,400.32/1,533,604.13 = 312,425.40/x
  3. Step 3: Cross multiply
    1,022,400.32x = 1,533,604.13 × 312,425.40
  4. Step 4: Simplify right side
    1,022,400.32x = 479,136,882,194.78
  5. Step 5: Solve for x
    x = 479,136,882,194.78/1,022,400.32
  6. Step 6: Final answer
    x = 468,639.21

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