Home / 682,682.27-1,023,686.44-209,253.47

Finding the Fourth Proportional to 682,682.27, 1,023,686.44 and 209,253.47

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Solution

The fourth proportional to 682,682.27, 1,023,686.44 and 209,253.47 is: 313,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,682.27 : 1,023,686.44 = 209,253.47 : x
  2. Step 2: Convert to fraction form
    682,682.27/1,023,686.44 = 209,253.47/x
  3. Step 3: Cross multiply
    682,682.27x = 1,023,686.44 × 209,253.47
  4. Step 4: Simplify right side
    682,682.27x = 214,209,934,120.38
  5. Step 5: Solve for x
    x = 214,209,934,120.38/682,682.27
  6. Step 6: Final answer
    x = 313,776.91

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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.