Home / 1,215,013.44-1,822,569.12-416,375.64

Finding the Fourth Proportional to 1,215,013.44, 1,822,569.12 and 416,375.64

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Solution

The fourth proportional to 1,215,013.44, 1,822,569.12 and 416,375.64 is: 624,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,013.44 : 1,822,569.12 = 416,375.64 : x
  2. Step 2: Convert to fraction form
    1,215,013.44/1,822,569.12 = 416,375.64/x
  3. Step 3: Cross multiply
    1,215,013.44x = 1,822,569.12 × 416,375.64
  4. Step 4: Simplify right side
    1,215,013.44x = 758,873,383,784.24
  5. Step 5: Solve for x
    x = 758,873,383,784.24/1,215,013.44
  6. Step 6: Final answer
    x = 624,580.24

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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.