Home / 1,543,183.98-2,129,570.83-854,853.78

Finding the Fourth Proportional to 1,543,183.98, 2,129,570.83 and 854,853.78

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Solution

The fourth proportional to 1,543,183.98, 2,129,570.83 and 854,853.78 is: 1,179,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,183.98 : 2,129,570.83 = 854,853.78 : x
  2. Step 2: Convert to fraction form
    1,543,183.98/2,129,570.83 = 854,853.78/x
  3. Step 3: Cross multiply
    1,543,183.98x = 2,129,570.83 × 854,853.78
  4. Step 4: Simplify right side
    1,543,183.98x = 1,820,471,673,803.24
  5. Step 5: Solve for x
    x = 1,820,471,673,803.24/1,543,183.98
  6. Step 6: Final answer
    x = 1,179,685.44

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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.