Home / 805,769.82-1,208,792.43-332,196.30

Finding the Fourth Proportional to 805,769.82, 1,208,792.43 and 332,196.30

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Solution

The fourth proportional to 805,769.82, 1,208,792.43 and 332,196.30 is: 498,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,769.82 : 1,208,792.43 = 332,196.30 : x
  2. Step 2: Convert to fraction form
    805,769.82/1,208,792.43 = 332,196.30/x
  3. Step 3: Cross multiply
    805,769.82x = 1,208,792.43 × 332,196.30
  4. Step 4: Simplify right side
    805,769.82x = 401,556,372,714.01
  5. Step 5: Solve for x
    x = 401,556,372,714.01/805,769.82
  6. Step 6: Final answer
    x = 498,351.22

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1.5x scale

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.