Home / 848,218.63-1,272,327.12-217,131.43

Finding the Fourth Proportional to 848,218.63, 1,272,327.12 and 217,131.43

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Solution

The fourth proportional to 848,218.63, 1,272,327.12 and 217,131.43 is: 325,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,218.63 : 1,272,327.12 = 217,131.43 : x
  2. Step 2: Convert to fraction form
    848,218.63/1,272,327.12 = 217,131.43/x
  3. Step 3: Cross multiply
    848,218.63x = 1,272,327.12 × 217,131.43
  4. Step 4: Simplify right side
    848,218.63x = 276,262,206,993.38
  5. Step 5: Solve for x
    x = 276,262,206,993.38/848,218.63
  6. Step 6: Final answer
    x = 325,696.93

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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.