Home / 494,004.33-681,717.06-279,139.77

Finding the Fourth Proportional to 494,004.33, 681,717.06 and 279,139.77

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Solution

The fourth proportional to 494,004.33, 681,717.06 and 279,139.77 is: 385,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,004.33 : 681,717.06 = 279,139.77 : x
  2. Step 2: Convert to fraction form
    494,004.33/681,717.06 = 279,139.77/x
  3. Step 3: Cross multiply
    494,004.33x = 681,717.06 × 279,139.77
  4. Step 4: Simplify right side
    494,004.33x = 190,294,343,333.48
  5. Step 5: Solve for x
    x = 190,294,343,333.48/494,004.33
  6. Step 6: Final answer
    x = 385,207.84

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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.