Home / 494,947.30-683,023.28-268,592.80

Finding the Fourth Proportional to 494,947.30, 683,023.28 and 268,592.80

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Solution

The fourth proportional to 494,947.30, 683,023.28 and 268,592.80 is: 370,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,947.30 : 683,023.28 = 268,592.80 : x
  2. Step 2: Convert to fraction form
    494,947.30/683,023.28 = 268,592.80/x
  3. Step 3: Cross multiply
    494,947.30x = 683,023.28 × 268,592.80
  4. Step 4: Simplify right side
    494,947.30x = 183,455,135,240.38
  5. Step 5: Solve for x
    x = 183,455,135,240.38/494,947.30
  6. Step 6: Final answer
    x = 370,655.90

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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.