Home / 419,246.13-578,611.92-238,016.73

Finding the Fourth Proportional to 419,246.13, 578,611.92 and 238,016.73

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Solution

The fourth proportional to 419,246.13, 578,611.92 and 238,016.73 is: 328,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,246.13 : 578,611.92 = 238,016.73 : x
  2. Step 2: Convert to fraction form
    419,246.13/578,611.92 = 238,016.73/x
  3. Step 3: Cross multiply
    419,246.13x = 578,611.92 × 238,016.73
  4. Step 4: Simplify right side
    419,246.13x = 137,719,317,137.42
  5. Step 5: Solve for x
    x = 137,719,317,137.42/419,246.13
  6. Step 6: Final answer
    x = 328,492.76

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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.