Home / 320,584.61-442,404.96-177,341.58

Finding the Fourth Proportional to 320,584.61, 442,404.96 and 177,341.58

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Solution

The fourth proportional to 320,584.61, 442,404.96 and 177,341.58 is: 244,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,584.61 : 442,404.96 = 177,341.58 : x
  2. Step 2: Convert to fraction form
    320,584.61/442,404.96 = 177,341.58/x
  3. Step 3: Cross multiply
    320,584.61x = 442,404.96 × 177,341.58
  4. Step 4: Simplify right side
    320,584.61x = 78,456,794,606.24
  5. Step 5: Solve for x
    x = 78,456,794,606.24/320,584.61
  6. Step 6: Final answer
    x = 244,730.39

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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.