Home / 1,446,943.86-2,169,131.46-547,758.78

Finding the Fourth Proportional to 1,446,943.86, 2,169,131.46 and 547,758.78

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Solution

The fourth proportional to 1,446,943.86, 2,169,131.46 and 547,758.78 is: 821,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,943.86 : 2,169,131.46 = 547,758.78 : x
  2. Step 2: Convert to fraction form
    1,446,943.86/2,169,131.46 = 547,758.78/x
  3. Step 3: Cross multiply
    1,446,943.86x = 2,169,131.46 × 547,758.78
  4. Step 4: Simplify right side
    1,446,943.86x = 1,188,160,802,189.22
  5. Step 5: Solve for x
    x = 1,188,160,802,189.22/1,446,943.86
  6. Step 6: Final answer
    x = 821,151.97

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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.