Home / 885,186.70-1,327,778.82-353,081.38

Finding the Fourth Proportional to 885,186.70, 1,327,778.82 and 353,081.38

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Solution

The fourth proportional to 885,186.70, 1,327,778.82 and 353,081.38 is: 529,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,186.70 : 1,327,778.82 = 353,081.38 : x
  2. Step 2: Convert to fraction form
    885,186.70/1,327,778.82 = 353,081.38/x
  3. Step 3: Cross multiply
    885,186.70x = 1,327,778.82 × 353,081.38
  4. Step 4: Simplify right side
    885,186.70x = 468,813,978,100.37
  5. Step 5: Solve for x
    x = 468,813,978,100.37/885,186.70
  6. Step 6: Final answer
    x = 529,621.58

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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.