Home / 427,974.38-590,604.60-236,987.80

Finding the Fourth Proportional to 427,974.38, 590,604.60 and 236,987.80

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Solution

The fourth proportional to 427,974.38, 590,604.60 and 236,987.80 is: 327,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,974.38 : 590,604.60 = 236,987.80 : x
  2. Step 2: Convert to fraction form
    427,974.38/590,604.60 = 236,987.80/x
  3. Step 3: Cross multiply
    427,974.38x = 590,604.60 × 236,987.80
  4. Step 4: Simplify right side
    427,974.38x = 139,966,084,823.88
  5. Step 5: Solve for x
    x = 139,966,084,823.88/427,974.38
  6. Step 6: Final answer
    x = 327,043.14

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.