Home / 494,010.32-681,725.36-279,145.73

Finding the Fourth Proportional to 494,010.32, 681,725.36 and 279,145.73

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Solution

The fourth proportional to 494,010.32, 681,725.36 and 279,145.73 is: 385,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,010.32 : 681,725.36 = 279,145.73 : x
  2. Step 2: Convert to fraction form
    494,010.32/681,725.36 = 279,145.73/x
  3. Step 3: Cross multiply
    494,010.32x = 681,725.36 × 279,145.73
  4. Step 4: Simplify right side
    494,010.32x = 190,300,725,678.89
  5. Step 5: Solve for x
    x = 190,300,725,678.89/494,010.32
  6. Step 6: Final answer
    x = 385,216.10

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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.