Home / 836,514.11-1,253,743.27-386,626.34

Finding the Fourth Proportional to 836,514.11, 1,253,743.27 and 386,626.34

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Solution

The fourth proportional to 836,514.11, 1,253,743.27 and 386,626.34 is: 579,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,514.11 : 1,253,743.27 = 386,626.34 : x
  2. Step 2: Convert to fraction form
    836,514.11/1,253,743.27 = 386,626.34/x
  3. Step 3: Cross multiply
    836,514.11x = 1,253,743.27 × 386,626.34
  4. Step 4: Simplify right side
    836,514.11x = 484,730,171,779.73
  5. Step 5: Solve for x
    x = 484,730,171,779.73/836,514.11
  6. Step 6: Final answer
    x = 579,464.43

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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.