Home / 537,910.96-742,311-296,188.48

Finding the Fourth Proportional to 537,910.96, 742,311 and 296,188.48

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Solution

The fourth proportional to 537,910.96, 742,311 and 296,188.48 is: 408,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,910.96 : 742,311 = 296,188.48 : x
  2. Step 2: Convert to fraction form
    537,910.96/742,311 = 296,188.48/x
  3. Step 3: Cross multiply
    537,910.96x = 742,311 × 296,188.48
  4. Step 4: Simplify right side
    537,910.96x = 219,863,966,777.28
  5. Step 5: Solve for x
    x = 219,863,966,777.28/537,910.96
  6. Step 6: Final answer
    x = 408,736.73

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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.