Home / 681,996.03-940,989.94-440,226.83

Finding the Fourth Proportional to 681,996.03, 940,989.94 and 440,226.83

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Solution

The fourth proportional to 681,996.03, 940,989.94 and 440,226.83 is: 607,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,996.03 : 940,989.94 = 440,226.83 : x
  2. Step 2: Convert to fraction form
    681,996.03/940,989.94 = 440,226.83/x
  3. Step 3: Cross multiply
    681,996.03x = 940,989.94 × 440,226.83
  4. Step 4: Simplify right side
    681,996.03x = 414,249,012,542.57
  5. Step 5: Solve for x
    x = 414,249,012,542.57/681,996.03
  6. Step 6: Final answer
    x = 607,406.78

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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.