Home / 404,462.24-558,136.17-223,138.68

Finding the Fourth Proportional to 404,462.24, 558,136.17 and 223,138.68

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Solution

The fourth proportional to 404,462.24, 558,136.17 and 223,138.68 is: 307,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,462.24 : 558,136.17 = 223,138.68 : x
  2. Step 2: Convert to fraction form
    404,462.24/558,136.17 = 223,138.68/x
  3. Step 3: Cross multiply
    404,462.24x = 558,136.17 × 223,138.68
  4. Step 4: Simplify right side
    404,462.24x = 124,541,769,280.56
  5. Step 5: Solve for x
    x = 124,541,769,280.56/404,462.24
  6. Step 6: Final answer
    x = 307,919.39

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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.