Home / 819,788.55-1,229,682.83-648,546.45

Finding the Fourth Proportional to 819,788.55, 1,229,682.83 and 648,546.45

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Solution

The fourth proportional to 819,788.55, 1,229,682.83 and 648,546.45 is: 972,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,788.55 : 1,229,682.83 = 648,546.45 : x
  2. Step 2: Convert to fraction form
    819,788.55/1,229,682.83 = 648,546.45/x
  3. Step 3: Cross multiply
    819,788.55x = 1,229,682.83 × 648,546.45
  4. Step 4: Simplify right side
    819,788.55x = 797,506,430,779.72
  5. Step 5: Solve for x
    x = 797,506,430,779.72/819,788.55
  6. Step 6: Final answer
    x = 972,819.68

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