Home / 682,737.22-1,024,237.95-261,980.38

Finding the Fourth Proportional to 682,737.22, 1,024,237.95 and 261,980.38

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Solution

The fourth proportional to 682,737.22, 1,024,237.95 and 261,980.38 is: 393,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,737.22 : 1,024,237.95 = 261,980.38 : x
  2. Step 2: Convert to fraction form
    682,737.22/1,024,237.95 = 261,980.38/x
  3. Step 3: Cross multiply
    682,737.22x = 1,024,237.95 × 261,980.38
  4. Step 4: Simplify right side
    682,737.22x = 268,330,247,351.42
  5. Step 5: Solve for x
    x = 268,330,247,351.42/682,737.22
  6. Step 6: Final answer
    x = 393,021.27

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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.