Home / 991,744.67-1,368,512.04-556,179.88

Finding the Fourth Proportional to 991,744.67, 1,368,512.04 and 556,179.88

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Solution

The fourth proportional to 991,744.67, 1,368,512.04 and 556,179.88 is: 767,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,744.67 : 1,368,512.04 = 556,179.88 : x
  2. Step 2: Convert to fraction form
    991,744.67/1,368,512.04 = 556,179.88/x
  3. Step 3: Cross multiply
    991,744.67x = 1,368,512.04 × 556,179.88
  4. Step 4: Simplify right side
    991,744.67x = 761,138,855,343.20
  5. Step 5: Solve for x
    x = 761,138,855,343.20/991,744.67
  6. Step 6: Final answer
    x = 767,474.61

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