Home / 451,028.11-622,419.54-247,074.58

Finding the Fourth Proportional to 451,028.11, 622,419.54 and 247,074.58

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Solution

The fourth proportional to 451,028.11, 622,419.54 and 247,074.58 is: 340,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,028.11 : 622,419.54 = 247,074.58 : x
  2. Step 2: Convert to fraction form
    451,028.11/622,419.54 = 247,074.58/x
  3. Step 3: Cross multiply
    451,028.11x = 622,419.54 × 247,074.58
  4. Step 4: Simplify right side
    451,028.11x = 153,784,046,898.47
  5. Step 5: Solve for x
    x = 153,784,046,898.47/451,028.11
  6. Step 6: Final answer
    x = 340,963.33

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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.