Home / 427,818.11-590,395.97-234,222.56

Finding the Fourth Proportional to 427,818.11, 590,395.97 and 234,222.56

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Solution

The fourth proportional to 427,818.11, 590,395.97 and 234,222.56 is: 323,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,818.11 : 590,395.97 = 234,222.56 : x
  2. Step 2: Convert to fraction form
    427,818.11/590,395.97 = 234,222.56/x
  3. Step 3: Cross multiply
    427,818.11x = 590,395.97 × 234,222.56
  4. Step 4: Simplify right side
    427,818.11x = 138,284,054,335.97
  5. Step 5: Solve for x
    x = 138,284,054,335.97/427,818.11
  6. Step 6: Final answer
    x = 323,230.95

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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.