Home / 1,644,262.89-2,269,042.77-919,195.85

Finding the Fourth Proportional to 1,644,262.89, 2,269,042.77 and 919,195.85

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Solution

The fourth proportional to 1,644,262.89, 2,269,042.77 and 919,195.85 is: 1,268,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,262.89 : 2,269,042.77 = 919,195.85 : x
  2. Step 2: Convert to fraction form
    1,644,262.89/2,269,042.77 = 919,195.85/x
  3. Step 3: Cross multiply
    1,644,262.89x = 2,269,042.77 × 919,195.85
  4. Step 4: Simplify right side
    1,644,262.89x = 2,085,694,681,715.31
  5. Step 5: Solve for x
    x = 2,085,694,681,715.31/1,644,262.89
  6. Step 6: Final answer
    x = 1,268,467.89

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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.