Home / 331,363.20-496,553.28-243,381.12

Finding the Fourth Proportional to 331,363.20, 496,553.28 and 243,381.12

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Solution

The fourth proportional to 331,363.20, 496,553.28 and 243,381.12 is: 364,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,363.20 : 496,553.28 = 243,381.12 : x
  2. Step 2: Convert to fraction form
    331,363.20/496,553.28 = 243,381.12/x
  3. Step 3: Cross multiply
    331,363.20x = 496,553.28 × 243,381.12
  4. Step 4: Simplify right side
    331,363.20x = 120,851,693,426.07
  5. Step 5: Solve for x
    x = 120,851,693,426.07/331,363.20
  6. Step 6: Final answer
    x = 364,710.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.