Home / 729,755.65-1,093,649.33-489,185.65

Finding the Fourth Proportional to 729,755.65, 1,093,649.33 and 489,185.65

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Solution

The fourth proportional to 729,755.65, 1,093,649.33 and 489,185.65 is: 733,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,755.65 : 1,093,649.33 = 489,185.65 : x
  2. Step 2: Convert to fraction form
    729,755.65/1,093,649.33 = 489,185.65/x
  3. Step 3: Cross multiply
    729,755.65x = 1,093,649.33 × 489,185.65
  4. Step 4: Simplify right side
    729,755.65x = 534,997,555,922.19
  5. Step 5: Solve for x
    x = 534,997,555,922.19/729,755.65
  6. Step 6: Final answer
    x = 733,118.76

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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.