Home / 449,236.85-619,942.16-245,287.18

Finding the Fourth Proportional to 449,236.85, 619,942.16 and 245,287.18

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Solution

The fourth proportional to 449,236.85, 619,942.16 and 245,287.18 is: 338,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,236.85 : 619,942.16 = 245,287.18 : x
  2. Step 2: Convert to fraction form
    449,236.85/619,942.16 = 245,287.18/x
  3. Step 3: Cross multiply
    449,236.85x = 619,942.16 × 245,287.18
  4. Step 4: Simplify right side
    449,236.85x = 152,063,859,863.36
  5. Step 5: Solve for x
    x = 152,063,859,863.36/449,236.85
  6. Step 6: Final answer
    x = 338,493.74

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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.