Home / 1,644,447.02-2,269,353.71-919,335.02

Finding the Fourth Proportional to 1,644,447.02, 2,269,353.71 and 919,335.02

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Solution

The fourth proportional to 1,644,447.02, 2,269,353.71 and 919,335.02 is: 1,268,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,447.02 : 2,269,353.71 = 919,335.02 : x
  2. Step 2: Convert to fraction form
    1,644,447.02/2,269,353.71 = 919,335.02/x
  3. Step 3: Cross multiply
    1,644,447.02x = 2,269,353.71 × 919,335.02
  4. Step 4: Simplify right side
    1,644,447.02x = 2,086,296,329,321.49
  5. Step 5: Solve for x
    x = 2,086,296,329,321.49/1,644,447.02
  6. Step 6: Final answer
    x = 1,268,691.73

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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.