Home / 386,439.72-533,185.92-223,056.24

Finding the Fourth Proportional to 386,439.72, 533,185.92 and 223,056.24

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Solution

The fourth proportional to 386,439.72, 533,185.92 and 223,056.24 is: 307,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,439.72 : 533,185.92 = 223,056.24 : x
  2. Step 2: Convert to fraction form
    386,439.72/533,185.92 = 223,056.24/x
  3. Step 3: Cross multiply
    386,439.72x = 533,185.92 × 223,056.24
  4. Step 4: Simplify right side
    386,439.72x = 118,930,446,536.14
  5. Step 5: Solve for x
    x = 118,930,446,536.14/386,439.72
  6. Step 6: Final answer
    x = 307,759.37

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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.