Home / 827,137.92-1,240,702.32-322,050.26

Finding the Fourth Proportional to 827,137.92, 1,240,702.32 and 322,050.26

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Solution

The fourth proportional to 827,137.92, 1,240,702.32 and 322,050.26 is: 483,073.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,137.92 : 1,240,702.32 = 322,050.26 : x
  2. Step 2: Convert to fraction form
    827,137.92/1,240,702.32 = 322,050.26/x
  3. Step 3: Cross multiply
    827,137.92x = 1,240,702.32 × 322,050.26
  4. Step 4: Simplify right side
    827,137.92x = 399,568,504,738.60
  5. Step 5: Solve for x
    x = 399,568,504,738.60/827,137.92
  6. Step 6: Final answer
    x = 483,073.61

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Double scale
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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.