Home / 537,539.56-741,835.20-308,135.02

Finding the Fourth Proportional to 537,539.56, 741,835.20 and 308,135.02

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Solution

The fourth proportional to 537,539.56, 741,835.20 and 308,135.02 is: 425,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,539.56 : 741,835.20 = 308,135.02 : x
  2. Step 2: Convert to fraction form
    537,539.56/741,835.20 = 308,135.02/x
  3. Step 3: Cross multiply
    537,539.56x = 741,835.20 × 308,135.02
  4. Step 4: Simplify right side
    537,539.56x = 228,585,404,188.70
  5. Step 5: Solve for x
    x = 228,585,404,188.70/537,539.56
  6. Step 6: Final answer
    x = 425,243.87

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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.