Home / 1,427,832.35-2,141,755.91-481,211.27

Finding the Fourth Proportional to 1,427,832.35, 2,141,755.91 and 481,211.27

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Solution

The fourth proportional to 1,427,832.35, 2,141,755.91 and 481,211.27 is: 721,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,832.35 : 2,141,755.91 = 481,211.27 : x
  2. Step 2: Convert to fraction form
    1,427,832.35/2,141,755.91 = 481,211.27/x
  3. Step 3: Cross multiply
    1,427,832.35x = 2,141,755.91 × 481,211.27
  4. Step 4: Simplify right side
    1,427,832.35x = 1,030,637,081,481.11
  5. Step 5: Solve for x
    x = 1,030,637,081,481.11/1,427,832.35
  6. Step 6: Final answer
    x = 721,819.39

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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.