Home / 355,790.58-491,012.76-204,936.18

Finding the Fourth Proportional to 355,790.58, 491,012.76 and 204,936.18

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Solution

The fourth proportional to 355,790.58, 491,012.76 and 204,936.18 is: 282,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,790.58 : 491,012.76 = 204,936.18 : x
  2. Step 2: Convert to fraction form
    355,790.58/491,012.76 = 204,936.18/x
  3. Step 3: Cross multiply
    355,790.58x = 491,012.76 × 204,936.18
  4. Step 4: Simplify right side
    355,790.58x = 100,626,279,365.66
  5. Step 5: Solve for x
    x = 100,626,279,365.66/355,790.58
  6. Step 6: Final answer
    x = 282,824.46

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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.