Home / 769,234.80-1,153,852.20-325,945.20

Finding the Fourth Proportional to 769,234.80, 1,153,852.20 and 325,945.20

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Solution

The fourth proportional to 769,234.80, 1,153,852.20 and 325,945.20 is: 488,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,234.80 : 1,153,852.20 = 325,945.20 : x
  2. Step 2: Convert to fraction form
    769,234.80/1,153,852.20 = 325,945.20/x
  3. Step 3: Cross multiply
    769,234.80x = 1,153,852.20 × 325,945.20
  4. Step 4: Simplify right side
    769,234.80x = 376,092,586,099.44
  5. Step 5: Solve for x
    x = 376,092,586,099.44/769,234.80
  6. Step 6: Final answer
    x = 488,917.80

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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.