Home / 494,011.82-681,727.40-279,147.26

Finding the Fourth Proportional to 494,011.82, 681,727.40 and 279,147.26

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Solution

The fourth proportional to 494,011.82, 681,727.40 and 279,147.26 is: 385,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,011.82 : 681,727.40 = 279,147.26 : x
  2. Step 2: Convert to fraction form
    494,011.82/681,727.40 = 279,147.26/x
  3. Step 3: Cross multiply
    494,011.82x = 681,727.40 × 279,147.26
  4. Step 4: Simplify right side
    494,011.82x = 190,302,335,776.92
  5. Step 5: Solve for x
    x = 190,302,335,776.92/494,011.82
  6. Step 6: Final answer
    x = 385,218.18

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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.