Home / 1,642,183.96-2,266,209.38-917,025.78

Finding the Fourth Proportional to 1,642,183.96, 2,266,209.38 and 917,025.78

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Solution

The fourth proportional to 1,642,183.96, 2,266,209.38 and 917,025.78 is: 1,265,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,183.96 : 2,266,209.38 = 917,025.78 : x
  2. Step 2: Convert to fraction form
    1,642,183.96/2,266,209.38 = 917,025.78/x
  3. Step 3: Cross multiply
    1,642,183.96x = 2,266,209.38 × 917,025.78
  4. Step 4: Simplify right side
    1,642,183.96x = 2,078,172,424,337.82
  5. Step 5: Solve for x
    x = 2,078,172,424,337.82/1,642,183.96
  6. Step 6: Final answer
    x = 1,265,493.07

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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.