Home / 493,837.80-681,546.33-356,129.97

Finding the Fourth Proportional to 493,837.80, 681,546.33 and 356,129.97

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Solution

The fourth proportional to 493,837.80, 681,546.33 and 356,129.97 is: 491,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,837.80 : 681,546.33 = 356,129.97 : x
  2. Step 2: Convert to fraction form
    493,837.80/681,546.33 = 356,129.97/x
  3. Step 3: Cross multiply
    493,837.80x = 681,546.33 × 356,129.97
  4. Step 4: Simplify right side
    493,837.80x = 242,719,074,056.51
  5. Step 5: Solve for x
    x = 242,719,074,056.51/493,837.80
  6. Step 6: Final answer
    x = 491,495.54

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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.