Home / 494,013.82-681,730.18-279,149.24

Finding the Fourth Proportional to 494,013.82, 681,730.18 and 279,149.24

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Solution

The fourth proportional to 494,013.82, 681,730.18 and 279,149.24 is: 385,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,013.82 : 681,730.18 = 279,149.24 : x
  2. Step 2: Convert to fraction form
    494,013.82/681,730.18 = 279,149.24/x
  3. Step 3: Cross multiply
    494,013.82x = 681,730.18 × 279,149.24
  4. Step 4: Simplify right side
    494,013.82x = 190,304,461,632.06
  5. Step 5: Solve for x
    x = 190,304,461,632.06/494,013.82
  6. Step 6: Final answer
    x = 385,220.93

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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.