Home / 427,972.38-590,601.84-236,985.80

Finding the Fourth Proportional to 427,972.38, 590,601.84 and 236,985.80

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Solution

The fourth proportional to 427,972.38, 590,601.84 and 236,985.80 is: 327,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,972.38 : 590,601.84 = 236,985.80 : x
  2. Step 2: Convert to fraction form
    427,972.38/590,601.84 = 236,985.80/x
  3. Step 3: Cross multiply
    427,972.38x = 590,601.84 × 236,985.80
  4. Step 4: Simplify right side
    427,972.38x = 139,964,246,580.86
  5. Step 5: Solve for x
    x = 139,964,246,580.86/427,972.38
  6. Step 6: Final answer
    x = 327,040.37

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Double scale
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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.