Home / 1,226,591.64-1,691,979-797,157.78

Finding the Fourth Proportional to 1,226,591.64, 1,691,979 and 797,157.78

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Solution

The fourth proportional to 1,226,591.64, 1,691,979 and 797,157.78 is: 1,099,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,591.64 : 1,691,979 = 797,157.78 : x
  2. Step 2: Convert to fraction form
    1,226,591.64/1,691,979 = 797,157.78/x
  3. Step 3: Cross multiply
    1,226,591.64x = 1,691,979 × 797,157.78
  4. Step 4: Simplify right side
    1,226,591.64x = 1,348,774,223,446.62
  5. Step 5: Solve for x
    x = 1,348,774,223,446.62/1,226,591.64
  6. Step 6: Final answer
    x = 1,099,611.46

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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.