Home / 489,524.33-675,555.22-274,680.29

Finding the Fourth Proportional to 489,524.33, 675,555.22 and 274,680.29

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Solution

The fourth proportional to 489,524.33, 675,555.22 and 274,680.29 is: 379,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,524.33 : 675,555.22 = 274,680.29 : x
  2. Step 2: Convert to fraction form
    489,524.33/675,555.22 = 274,680.29/x
  3. Step 3: Cross multiply
    489,524.33x = 675,555.22 × 274,680.29
  4. Step 4: Simplify right side
    489,524.33x = 185,561,699,676.14
  5. Step 5: Solve for x
    x = 185,561,699,676.14/489,524.33
  6. Step 6: Final answer
    x = 379,065.32

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1.5x scale

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.