Home / 404,450.20-558,137.58-223,163.80

Finding the Fourth Proportional to 404,450.20, 558,137.58 and 223,163.80

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Solution

The fourth proportional to 404,450.20, 558,137.58 and 223,163.80 is: 307,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,450.20 : 558,137.58 = 223,163.80 : x
  2. Step 2: Convert to fraction form
    404,450.20/558,137.58 = 223,163.80/x
  3. Step 3: Cross multiply
    404,450.20x = 558,137.58 × 223,163.80
  4. Step 4: Simplify right side
    404,450.20x = 124,556,103,275.60
  5. Step 5: Solve for x
    x = 124,556,103,275.60/404,450.20
  6. Step 6: Final answer
    x = 307,964.00

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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.