Home / 457,334.25-682,738.67-426,942.39

Finding the Fourth Proportional to 457,334.25, 682,738.67 and 426,942.39

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Solution

The fourth proportional to 457,334.25, 682,738.67 and 426,942.39 is: 637,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,334.25 : 682,738.67 = 426,942.39 : x
  2. Step 2: Convert to fraction form
    457,334.25/682,738.67 = 426,942.39/x
  3. Step 3: Cross multiply
    457,334.25x = 682,738.67 × 426,942.39
  4. Step 4: Simplify right side
    457,334.25x = 291,490,079,515.22
  5. Step 5: Solve for x
    x = 291,490,079,515.22/457,334.25
  6. Step 6: Final answer
    x = 637,367.70

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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.