Home / 451,223.84-622,629.60-269,869.59

Finding the Fourth Proportional to 451,223.84, 622,629.60 and 269,869.59

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Solution

The fourth proportional to 451,223.84, 622,629.60 and 269,869.59 is: 372,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,223.84 : 622,629.60 = 269,869.59 : x
  2. Step 2: Convert to fraction form
    451,223.84/622,629.60 = 269,869.59/x
  3. Step 3: Cross multiply
    451,223.84x = 622,629.60 × 269,869.59
  4. Step 4: Simplify right side
    451,223.84x = 168,028,794,873.86
  5. Step 5: Solve for x
    x = 168,028,794,873.86/451,223.84
  6. Step 6: Final answer
    x = 372,384.57

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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.