Home / 494,010.07-681,725.01-279,145.49

Finding the Fourth Proportional to 494,010.07, 681,725.01 and 279,145.49

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Solution

The fourth proportional to 494,010.07, 681,725.01 and 279,145.49 is: 385,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,010.07 : 681,725.01 = 279,145.49 : x
  2. Step 2: Convert to fraction form
    494,010.07/681,725.01 = 279,145.49/x
  3. Step 3: Cross multiply
    494,010.07x = 681,725.01 × 279,145.49
  4. Step 4: Simplify right side
    494,010.07x = 190,300,461,961.71
  5. Step 5: Solve for x
    x = 190,300,461,961.71/494,010.07
  6. Step 6: Final answer
    x = 385,215.76

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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.