Home / 380,105.58-524,396.50-244,120.66

Finding the Fourth Proportional to 380,105.58, 524,396.50 and 244,120.66

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Solution

The fourth proportional to 380,105.58, 524,396.50 and 244,120.66 is: 336,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,105.58 : 524,396.50 = 244,120.66 : x
  2. Step 2: Convert to fraction form
    380,105.58/524,396.50 = 244,120.66/x
  3. Step 3: Cross multiply
    380,105.58x = 524,396.50 × 244,120.66
  4. Step 4: Simplify right side
    380,105.58x = 128,016,017,760.40
  5. Step 5: Solve for x
    x = 128,016,017,760.40/380,105.58
  6. Step 6: Final answer
    x = 336,790.68

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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.