Home / 327,529.37-491,001.86-127,803.30

Finding the Fourth Proportional to 327,529.37, 491,001.86 and 127,803.30

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Solution

The fourth proportional to 327,529.37, 491,001.86 and 127,803.30 is: 191,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,529.37 : 491,001.86 = 127,803.30 : x
  2. Step 2: Convert to fraction form
    327,529.37/491,001.86 = 127,803.30/x
  3. Step 3: Cross multiply
    327,529.37x = 491,001.86 × 127,803.30
  4. Step 4: Simplify right side
    327,529.37x = 62,751,657,375.12
  5. Step 5: Solve for x
    x = 62,751,657,375.12/327,529.37
  6. Step 6: Final answer
    x = 191,590.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.