Home / 789,809.33-1,183,640.45-334,021.68

Finding the Fourth Proportional to 789,809.33, 1,183,640.45 and 334,021.68

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Solution

The fourth proportional to 789,809.33, 1,183,640.45 and 334,021.68 is: 500,578.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,809.33 : 1,183,640.45 = 334,021.68 : x
  2. Step 2: Convert to fraction form
    789,809.33/1,183,640.45 = 334,021.68/x
  3. Step 3: Cross multiply
    789,809.33x = 1,183,640.45 × 334,021.68
  4. Step 4: Simplify right side
    789,809.33x = 395,361,569,954.85
  5. Step 5: Solve for x
    x = 395,361,569,954.85/789,809.33
  6. Step 6: Final answer
    x = 500,578.50

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Double scale
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Similar ratio
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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.