Home / 449,236.55-619,941.68-245,286.82

Finding the Fourth Proportional to 449,236.55, 619,941.68 and 245,286.82

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Solution

The fourth proportional to 449,236.55, 619,941.68 and 245,286.82 is: 338,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,236.55 : 619,941.68 = 245,286.82 : x
  2. Step 2: Convert to fraction form
    449,236.55/619,941.68 = 245,286.82/x
  3. Step 3: Cross multiply
    449,236.55x = 619,941.68 × 245,286.82
  4. Step 4: Simplify right side
    449,236.55x = 152,063,520,496.37
  5. Step 5: Solve for x
    x = 152,063,520,496.37/449,236.55
  6. Step 6: Final answer
    x = 338,493.21

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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.