Home / 449,934.57-670,933.44-445,884.12

Finding the Fourth Proportional to 449,934.57, 670,933.44 and 445,884.12

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Solution

The fourth proportional to 449,934.57, 670,933.44 and 445,884.12 is: 664,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,934.57 : 670,933.44 = 445,884.12 : x
  2. Step 2: Convert to fraction form
    449,934.57/670,933.44 = 445,884.12/x
  3. Step 3: Cross multiply
    449,934.57x = 670,933.44 × 445,884.12
  4. Step 4: Simplify right side
    449,934.57x = 299,158,566,472.97
  5. Step 5: Solve for x
    x = 299,158,566,472.97/449,934.57
  6. Step 6: Final answer
    x = 664,893.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.