Home / 451,185.38-622,635.82-249,981.38

Finding the Fourth Proportional to 451,185.38, 622,635.82 and 249,981.38

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Solution

The fourth proportional to 451,185.38, 622,635.82 and 249,981.38 is: 344,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,185.38 : 622,635.82 = 249,981.38 : x
  2. Step 2: Convert to fraction form
    451,185.38/622,635.82 = 249,981.38/x
  3. Step 3: Cross multiply
    451,185.38x = 622,635.82 × 249,981.38
  4. Step 4: Simplify right side
    451,185.38x = 155,647,357,782.90
  5. Step 5: Solve for x
    x = 155,647,357,782.90/451,185.38
  6. Step 6: Final answer
    x = 344,974.30

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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.