Home / 449,236.35-619,941.47-245,286.68

Finding the Fourth Proportional to 449,236.35, 619,941.47 and 245,286.68

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Solution

The fourth proportional to 449,236.35, 619,941.47 and 245,286.68 is: 338,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,236.35 : 619,941.47 = 245,286.68 : x
  2. Step 2: Convert to fraction form
    449,236.35/619,941.47 = 245,286.68/x
  3. Step 3: Cross multiply
    449,236.35x = 619,941.47 × 245,286.68
  4. Step 4: Simplify right side
    449,236.35x = 152,063,380,644.48
  5. Step 5: Solve for x
    x = 152,063,380,644.48/449,236.35
  6. Step 6: Final answer
    x = 338,493.05

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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.