Home / 404,645.46-558,410.76-223,357.43

Finding the Fourth Proportional to 404,645.46, 558,410.76 and 223,357.43

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Solution

The fourth proportional to 404,645.46, 558,410.76 and 223,357.43 is: 308,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,645.46 : 558,410.76 = 223,357.43 : x
  2. Step 2: Convert to fraction form
    404,645.46/558,410.76 = 223,357.43/x
  3. Step 3: Cross multiply
    404,645.46x = 558,410.76 × 223,357.43
  4. Step 4: Simplify right side
    404,645.46x = 124,725,193,633.97
  5. Step 5: Solve for x
    x = 124,725,193,633.97/404,645.46
  6. Step 6: Final answer
    x = 308,233.27

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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.