Home / 1,422,810.12-2,134,218.83-581,361.87

Finding the Fourth Proportional to 1,422,810.12, 2,134,218.83 and 581,361.87

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Solution

The fourth proportional to 1,422,810.12, 2,134,218.83 and 581,361.87 is: 872,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,810.12 : 2,134,218.83 = 581,361.87 : x
  2. Step 2: Convert to fraction form
    1,422,810.12/2,134,218.83 = 581,361.87/x
  3. Step 3: Cross multiply
    1,422,810.12x = 2,134,218.83 × 581,361.87
  4. Step 4: Simplify right side
    1,422,810.12x = 1,240,753,449,998.01
  5. Step 5: Solve for x
    x = 1,240,753,449,998.01/1,422,810.12
  6. Step 6: Final answer
    x = 872,044.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.