Home / 991,694.80-1,486,505.40-541,723.60

Finding the Fourth Proportional to 991,694.80, 1,486,505.40 and 541,723.60

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Solution

The fourth proportional to 991,694.80, 1,486,505.40 and 541,723.60 is: 812,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,694.80 : 1,486,505.40 = 541,723.60 : x
  2. Step 2: Convert to fraction form
    991,694.80/1,486,505.40 = 541,723.60/x
  3. Step 3: Cross multiply
    991,694.80x = 1,486,505.40 × 541,723.60
  4. Step 4: Simplify right side
    991,694.80x = 805,275,056,707.44
  5. Step 5: Solve for x
    x = 805,275,056,707.44/991,694.80
  6. Step 6: Final answer
    x = 812,019.04

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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.