Home / 419,230.28-578,439.42-237,901.16

Finding the Fourth Proportional to 419,230.28, 578,439.42 and 237,901.16

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Solution

The fourth proportional to 419,230.28, 578,439.42 and 237,901.16 is: 328,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,230.28 : 578,439.42 = 237,901.16 : x
  2. Step 2: Convert to fraction form
    419,230.28/578,439.42 = 237,901.16/x
  3. Step 3: Cross multiply
    419,230.28x = 578,439.42 × 237,901.16
  4. Step 4: Simplify right side
    419,230.28x = 137,611,409,007.73
  5. Step 5: Solve for x
    x = 137,611,409,007.73/419,230.28
  6. Step 6: Final answer
    x = 328,247.78

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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.