Home / 881,610.60-1,325,234.70-819,208.20

Finding the Fourth Proportional to 881,610.60, 1,325,234.70 and 819,208.20

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Solution

The fourth proportional to 881,610.60, 1,325,234.70 and 819,208.20 is: 1,231,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,610.60 : 1,325,234.70 = 819,208.20 : x
  2. Step 2: Convert to fraction form
    881,610.60/1,325,234.70 = 819,208.20/x
  3. Step 3: Cross multiply
    881,610.60x = 1,325,234.70 × 819,208.20
  4. Step 4: Simplify right side
    881,610.60x = 1,085,643,133,164.54
  5. Step 5: Solve for x
    x = 1,085,643,133,164.54/881,610.60
  6. Step 6: Final answer
    x = 1,231,431.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.