Home / 629,760.82-869,191.24-436,692.46

Finding the Fourth Proportional to 629,760.82, 869,191.24 and 436,692.46

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Solution

The fourth proportional to 629,760.82, 869,191.24 and 436,692.46 is: 602,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,760.82 : 869,191.24 = 436,692.46 : x
  2. Step 2: Convert to fraction form
    629,760.82/869,191.24 = 436,692.46/x
  3. Step 3: Cross multiply
    629,760.82x = 869,191.24 × 436,692.46
  4. Step 4: Simplify right side
    629,760.82x = 379,569,260,806.05
  5. Step 5: Solve for x
    x = 379,569,260,806.05/629,760.82
  6. Step 6: Final answer
    x = 602,719.71

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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.