Home / 428,418.36-591,209.82-234,824.40

Finding the Fourth Proportional to 428,418.36, 591,209.82 and 234,824.40

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Solution

The fourth proportional to 428,418.36, 591,209.82 and 234,824.40 is: 324,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,418.36 : 591,209.82 = 234,824.40 : x
  2. Step 2: Convert to fraction form
    428,418.36/591,209.82 = 234,824.40/x
  3. Step 3: Cross multiply
    428,418.36x = 591,209.82 × 234,824.40
  4. Step 4: Simplify right side
    428,418.36x = 138,830,491,255.61
  5. Step 5: Solve for x
    x = 138,830,491,255.61/428,418.36
  6. Step 6: Final answer
    x = 324,053.55

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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.