Home / 682,651.98-1,023,939.63-209,336.04

Finding the Fourth Proportional to 682,651.98, 1,023,939.63 and 209,336.04

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Solution

The fourth proportional to 682,651.98, 1,023,939.63 and 209,336.04 is: 313,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,651.98 : 1,023,939.63 = 209,336.04 : x
  2. Step 2: Convert to fraction form
    682,651.98/1,023,939.63 = 209,336.04/x
  3. Step 3: Cross multiply
    682,651.98x = 1,023,939.63 × 209,336.04
  4. Step 4: Simplify right side
    682,651.98x = 214,347,467,343.27
  5. Step 5: Solve for x
    x = 214,347,467,343.27/682,651.98
  6. Step 6: Final answer
    x = 313,992.30

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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.