Home / 494,329.15-743,079.30-459,227.80

Finding the Fourth Proportional to 494,329.15, 743,079.30 and 459,227.80

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Solution

The fourth proportional to 494,329.15, 743,079.30 and 459,227.80 is: 690,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,329.15 : 743,079.30 = 459,227.80 : x
  2. Step 2: Convert to fraction form
    494,329.15/743,079.30 = 459,227.80/x
  3. Step 3: Cross multiply
    494,329.15x = 743,079.30 × 459,227.80
  4. Step 4: Simplify right side
    494,329.15x = 341,242,672,164.54
  5. Step 5: Solve for x
    x = 341,242,672,164.54/494,329.15
  6. Step 6: Final answer
    x = 690,314.69

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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.