Home / 848,195.06-1,272,291.78-217,107.86

Finding the Fourth Proportional to 848,195.06, 1,272,291.78 and 217,107.86

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Solution

The fourth proportional to 848,195.06, 1,272,291.78 and 217,107.86 is: 325,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,195.06 : 1,272,291.78 = 217,107.86 : x
  2. Step 2: Convert to fraction form
    848,195.06/1,272,291.78 = 217,107.86/x
  3. Step 3: Cross multiply
    848,195.06x = 1,272,291.78 × 217,107.86
  4. Step 4: Simplify right side
    848,195.06x = 276,224,545,651.39
  5. Step 5: Solve for x
    x = 276,224,545,651.39/848,195.06
  6. Step 6: Final answer
    x = 325,661.58

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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.