Home / 1,419,410.21-1,958,760.79-807,549.80

Finding the Fourth Proportional to 1,419,410.21, 1,958,760.79 and 807,549.80

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Solution

The fourth proportional to 1,419,410.21, 1,958,760.79 and 807,549.80 is: 1,114,404.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,410.21 : 1,958,760.79 = 807,549.80 : x
  2. Step 2: Convert to fraction form
    1,419,410.21/1,958,760.79 = 807,549.80/x
  3. Step 3: Cross multiply
    1,419,410.21x = 1,958,760.79 × 807,549.80
  4. Step 4: Simplify right side
    1,419,410.21x = 1,581,796,872,399.66
  5. Step 5: Solve for x
    x = 1,581,796,872,399.66/1,419,410.21
  6. Step 6: Final answer
    x = 1,114,404.33

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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.