Home / 414,831.62-622,441.08-215,043.03

Finding the Fourth Proportional to 414,831.62, 622,441.08 and 215,043.03

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Solution

The fourth proportional to 414,831.62, 622,441.08 and 215,043.03 is: 322,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,831.62 : 622,441.08 = 215,043.03 : x
  2. Step 2: Convert to fraction form
    414,831.62/622,441.08 = 215,043.03/x
  3. Step 3: Cross multiply
    414,831.62x = 622,441.08 × 215,043.03
  4. Step 4: Simplify right side
    414,831.62x = 133,851,615,839.67
  5. Step 5: Solve for x
    x = 133,851,615,839.67/414,831.62
  6. Step 6: Final answer
    x = 322,664.93

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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.