Home / 327,928.98-491,893.54-253,158.28

Finding the Fourth Proportional to 327,928.98, 491,893.54 and 253,158.28

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Solution

The fourth proportional to 327,928.98, 491,893.54 and 253,158.28 is: 379,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,928.98 : 491,893.54 = 253,158.28 : x
  2. Step 2: Convert to fraction form
    327,928.98/491,893.54 = 253,158.28/x
  3. Step 3: Cross multiply
    327,928.98x = 491,893.54 × 253,158.28
  4. Step 4: Simplify right side
    327,928.98x = 124,526,922,529.51
  5. Step 5: Solve for x
    x = 124,526,922,529.51/327,928.98
  6. Step 6: Final answer
    x = 379,737.47

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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.