Home / 744,727.50-1,027,745.82-405,217.62

Finding the Fourth Proportional to 744,727.50, 1,027,745.82 and 405,217.62

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Solution

The fourth proportional to 744,727.50, 1,027,745.82 and 405,217.62 is: 559,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,727.50 : 1,027,745.82 = 405,217.62 : x
  2. Step 2: Convert to fraction form
    744,727.50/1,027,745.82 = 405,217.62/x
  3. Step 3: Cross multiply
    744,727.50x = 1,027,745.82 × 405,217.62
  4. Step 4: Simplify right side
    744,727.50x = 416,460,715,145.35
  5. Step 5: Solve for x
    x = 416,460,715,145.35/744,727.50
  6. Step 6: Final answer
    x = 559,212.22

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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.