Home / 404,645.28-558,415.14-223,357.36

Finding the Fourth Proportional to 404,645.28, 558,415.14 and 223,357.36

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Solution

The fourth proportional to 404,645.28, 558,415.14 and 223,357.36 is: 308,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,645.28 : 558,415.14 = 223,357.36 : x
  2. Step 2: Convert to fraction form
    404,645.28/558,415.14 = 223,357.36/x
  3. Step 3: Cross multiply
    404,645.28x = 558,415.14 × 223,357.36
  4. Step 4: Simplify right side
    404,645.28x = 124,726,131,454.43
  5. Step 5: Solve for x
    x = 124,726,131,454.43/404,645.28
  6. Step 6: Final answer
    x = 308,235.73

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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.