Home / 1,079,284.20-1,619,963.10-547,405.80

Finding the Fourth Proportional to 1,079,284.20, 1,619,963.10 and 547,405.80

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Solution

The fourth proportional to 1,079,284.20, 1,619,963.10 and 547,405.80 is: 821,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,284.20 : 1,619,963.10 = 547,405.80 : x
  2. Step 2: Convert to fraction form
    1,079,284.20/1,619,963.10 = 547,405.80/x
  3. Step 3: Cross multiply
    1,079,284.20x = 1,619,963.10 × 547,405.80
  4. Step 4: Simplify right side
    1,079,284.20x = 886,777,196,725.98
  5. Step 5: Solve for x
    x = 886,777,196,725.98/1,079,284.20
  6. Step 6: Final answer
    x = 821,634.56

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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.