Home / 426,255.29-588,190.39-235,256.36

Finding the Fourth Proportional to 426,255.29, 588,190.39 and 235,256.36

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Solution

The fourth proportional to 426,255.29, 588,190.39 and 235,256.36 is: 324,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,255.29 : 588,190.39 = 235,256.36 : x
  2. Step 2: Convert to fraction form
    426,255.29/588,190.39 = 235,256.36/x
  3. Step 3: Cross multiply
    426,255.29x = 588,190.39 × 235,256.36
  4. Step 4: Simplify right side
    426,255.29x = 138,375,531,020.72
  5. Step 5: Solve for x
    x = 138,375,531,020.72/426,255.29
  6. Step 6: Final answer
    x = 324,630.65

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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.