Home / 1,427,393.30-1,969,799.73-823,781.30

Finding the Fourth Proportional to 1,427,393.30, 1,969,799.73 and 823,781.30

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Solution

The fourth proportional to 1,427,393.30, 1,969,799.73 and 823,781.30 is: 1,136,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,393.30 : 1,969,799.73 = 823,781.30 : x
  2. Step 2: Convert to fraction form
    1,427,393.30/1,969,799.73 = 823,781.30/x
  3. Step 3: Cross multiply
    1,427,393.30x = 1,969,799.73 × 823,781.30
  4. Step 4: Simplify right side
    1,427,393.30x = 1,622,684,182,319.05
  5. Step 5: Solve for x
    x = 1,622,684,182,319.05/1,427,393.30
  6. Step 6: Final answer
    x = 1,136,816.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.