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Finding the Fourth Proportional to 1,173,258, 1,619,115.48 and 636,714

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Solution

The fourth proportional to 1,173,258, 1,619,115.48 and 636,714 is: 878,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,258 : 1,619,115.48 = 636,714 : x
  2. Step 2: Convert to fraction form
    1,173,258/1,619,115.48 = 636,714/x
  3. Step 3: Cross multiply
    1,173,258x = 1,619,115.48 × 636,714
  4. Step 4: Simplify right side
    1,173,258x = 1,030,913,493,732.72
  5. Step 5: Solve for x
    x = 1,030,913,493,732.72/1,173,258
  6. Step 6: Final answer
    x = 878,675.87

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