Home / 1,683,127.28-2,322,724.20-919,180.82

Finding the Fourth Proportional to 1,683,127.28, 2,322,724.20 and 919,180.82

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Solution

The fourth proportional to 1,683,127.28, 2,322,724.20 and 919,180.82 is: 1,268,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,127.28 : 2,322,724.20 = 919,180.82 : x
  2. Step 2: Convert to fraction form
    1,683,127.28/2,322,724.20 = 919,180.82/x
  3. Step 3: Cross multiply
    1,683,127.28x = 2,322,724.20 × 919,180.82
  4. Step 4: Simplify right side
    1,683,127.28x = 2,135,003,534,789.84
  5. Step 5: Solve for x
    x = 2,135,003,534,789.84/1,683,127.28
  6. Step 6: Final answer
    x = 1,268,474.20

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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.