Home / 1,644,496.83-2,269,395.23-919,341.09

Finding the Fourth Proportional to 1,644,496.83, 2,269,395.23 and 919,341.09

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Solution

The fourth proportional to 1,644,496.83, 2,269,395.23 and 919,341.09 is: 1,268,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,496.83 : 2,269,395.23 = 919,341.09 : x
  2. Step 2: Convert to fraction form
    1,644,496.83/2,269,395.23 = 919,341.09/x
  3. Step 3: Cross multiply
    1,644,496.83x = 2,269,395.23 × 919,341.09
  4. Step 4: Simplify right side
    1,644,496.83x = 2,086,348,279,792.30
  5. Step 5: Solve for x
    x = 2,086,348,279,792.30/1,644,496.83
  6. Step 6: Final answer
    x = 1,268,684.89

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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.