Home / 1,028,963.32-1,420,131.30-587,439.01

Finding the Fourth Proportional to 1,028,963.32, 1,420,131.30 and 587,439.01

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Solution

The fourth proportional to 1,028,963.32, 1,420,131.30 and 587,439.01 is: 810,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,963.32 : 1,420,131.30 = 587,439.01 : x
  2. Step 2: Convert to fraction form
    1,028,963.32/1,420,131.30 = 587,439.01/x
  3. Step 3: Cross multiply
    1,028,963.32x = 1,420,131.30 × 587,439.01
  4. Step 4: Simplify right side
    1,028,963.32x = 834,240,524,942.01
  5. Step 5: Solve for x
    x = 834,240,524,942.01/1,028,963.32
  6. Step 6: Final answer
    x = 810,758.27

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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.