Home / 362,436.20-543,654.30-329,193.80

Finding the Fourth Proportional to 362,436.20, 543,654.30 and 329,193.80

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Solution

The fourth proportional to 362,436.20, 543,654.30 and 329,193.80 is: 493,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,436.20 : 543,654.30 = 329,193.80 : x
  2. Step 2: Convert to fraction form
    362,436.20/543,654.30 = 329,193.80/x
  3. Step 3: Cross multiply
    362,436.20x = 543,654.30 × 329,193.80
  4. Step 4: Simplify right side
    362,436.20x = 178,967,624,903.34
  5. Step 5: Solve for x
    x = 178,967,624,903.34/362,436.20
  6. Step 6: Final answer
    x = 493,790.70

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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.