Home / 682,694.61-942,172.01-376,831.73

Finding the Fourth Proportional to 682,694.61, 942,172.01 and 376,831.73

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Solution

The fourth proportional to 682,694.61, 942,172.01 and 376,831.73 is: 520,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,694.61 : 942,172.01 = 376,831.73 : x
  2. Step 2: Convert to fraction form
    682,694.61/942,172.01 = 376,831.73/x
  3. Step 3: Cross multiply
    682,694.61x = 942,172.01 × 376,831.73
  4. Step 4: Simplify right side
    682,694.61x = 355,040,301,890.86
  5. Step 5: Solve for x
    x = 355,040,301,890.86/682,694.61
  6. Step 6: Final answer
    x = 520,057.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.