Home / 1,644,625.85-2,269,792.17-919,516.47

Finding the Fourth Proportional to 1,644,625.85, 2,269,792.17 and 919,516.47

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Solution

The fourth proportional to 1,644,625.85, 2,269,792.17 and 919,516.47 is: 1,269,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,625.85 : 2,269,792.17 = 919,516.47 : x
  2. Step 2: Convert to fraction form
    1,644,625.85/2,269,792.17 = 919,516.47/x
  3. Step 3: Cross multiply
    1,644,625.85x = 2,269,792.17 × 919,516.47
  4. Step 4: Simplify right side
    1,644,625.85x = 2,087,111,283,792.04
  5. Step 5: Solve for x
    x = 2,087,111,283,792.04/1,644,625.85
  6. Step 6: Final answer
    x = 1,269,049.30

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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.