Home / 370,544.05-511,352.57-200,778.13

Finding the Fourth Proportional to 370,544.05, 511,352.57 and 200,778.13

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Solution

The fourth proportional to 370,544.05, 511,352.57 and 200,778.13 is: 277,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,544.05 : 511,352.57 = 200,778.13 : x
  2. Step 2: Convert to fraction form
    370,544.05/511,352.57 = 200,778.13/x
  3. Step 3: Cross multiply
    370,544.05x = 511,352.57 × 200,778.13
  4. Step 4: Simplify right side
    370,544.05x = 102,668,412,775.29
  5. Step 5: Solve for x
    x = 102,668,412,775.29/370,544.05
  6. Step 6: Final answer
    x = 277,074.78

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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.