Home / 454,918.06-627,583.92-263,820.70

Finding the Fourth Proportional to 454,918.06, 627,583.92 and 263,820.70

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Solution

The fourth proportional to 454,918.06, 627,583.92 and 263,820.70 is: 363,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,918.06 : 627,583.92 = 263,820.70 : x
  2. Step 2: Convert to fraction form
    454,918.06/627,583.92 = 263,820.70/x
  3. Step 3: Cross multiply
    454,918.06x = 627,583.92 × 263,820.70
  4. Step 4: Simplify right side
    454,918.06x = 165,569,629,083.14
  5. Step 5: Solve for x
    x = 165,569,629,083.14/454,918.06
  6. Step 6: Final answer
    x = 363,954.84

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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.