Home / 404,641.23-558,404.92-223,353.20

Finding the Fourth Proportional to 404,641.23, 558,404.92 and 223,353.20

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Solution

The fourth proportional to 404,641.23, 558,404.92 and 223,353.20 is: 308,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,641.23 : 558,404.92 = 223,353.20 : x
  2. Step 2: Convert to fraction form
    404,641.23/558,404.92 = 223,353.20/x
  3. Step 3: Cross multiply
    404,641.23x = 558,404.92 × 223,353.20
  4. Step 4: Simplify right side
    404,641.23x = 124,721,527,452.95
  5. Step 5: Solve for x
    x = 124,721,527,452.95/404,641.23
  6. Step 6: Final answer
    x = 308,227.44

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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.