Home / 1,327,642.62-1,832,289.03-811,699.26

Finding the Fourth Proportional to 1,327,642.62, 1,832,289.03 and 811,699.26

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Solution

The fourth proportional to 1,327,642.62, 1,832,289.03 and 811,699.26 is: 1,120,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,642.62 : 1,832,289.03 = 811,699.26 : x
  2. Step 2: Convert to fraction form
    1,327,642.62/1,832,289.03 = 811,699.26/x
  3. Step 3: Cross multiply
    1,327,642.62x = 1,832,289.03 × 811,699.26
  4. Step 4: Simplify right side
    1,327,642.62x = 1,487,267,649,757.12
  5. Step 5: Solve for x
    x = 1,487,267,649,757.12/1,327,642.62
  6. Step 6: Final answer
    x = 1,120,231.93

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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.