Home / 833,138.38-1,149,734.64-451,165.60

Finding the Fourth Proportional to 833,138.38, 1,149,734.64 and 451,165.60

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Solution

The fourth proportional to 833,138.38, 1,149,734.64 and 451,165.60 is: 622,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,138.38 : 1,149,734.64 = 451,165.60 : x
  2. Step 2: Convert to fraction form
    833,138.38/1,149,734.64 = 451,165.60/x
  3. Step 3: Cross multiply
    833,138.38x = 1,149,734.64 × 451,165.60
  4. Step 4: Simplify right side
    833,138.38x = 518,720,718,696.38
  5. Step 5: Solve for x
    x = 518,720,718,696.38/833,138.38
  6. Step 6: Final answer
    x = 622,610.52

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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.