Home / 881,191.20-1,321,786.80-835,701.60

Finding the Fourth Proportional to 881,191.20, 1,321,786.80 and 835,701.60

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Solution

The fourth proportional to 881,191.20, 1,321,786.80 and 835,701.60 is: 1,253,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,191.20 : 1,321,786.80 = 835,701.60 : x
  2. Step 2: Convert to fraction form
    881,191.20/1,321,786.80 = 835,701.60/x
  3. Step 3: Cross multiply
    881,191.20x = 1,321,786.80 × 835,701.60
  4. Step 4: Simplify right side
    881,191.20x = 1,104,619,343,618.88
  5. Step 5: Solve for x
    x = 1,104,619,343,618.88/881,191.20
  6. Step 6: Final answer
    x = 1,253,552.40

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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.