Home / 268,787.35-402,707.99-252,786.74

Finding the Fourth Proportional to 268,787.35, 402,707.99 and 252,786.74

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Solution

The fourth proportional to 268,787.35, 402,707.99 and 252,786.74 is: 378,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,787.35 : 402,707.99 = 252,786.74 : x
  2. Step 2: Convert to fraction form
    268,787.35/402,707.99 = 252,786.74/x
  3. Step 3: Cross multiply
    268,787.35x = 402,707.99 × 252,786.74
  4. Step 4: Simplify right side
    268,787.35x = 101,799,239,964.05
  5. Step 5: Solve for x
    x = 101,799,239,964.05/268,787.35
  6. Step 6: Final answer
    x = 378,735.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.