Home / 457,333.25-682,737.18-426,941.39

Finding the Fourth Proportional to 457,333.25, 682,737.18 and 426,941.39

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Solution

The fourth proportional to 457,333.25, 682,737.18 and 426,941.39 is: 637,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,333.25 : 682,737.18 = 426,941.39 : x
  2. Step 2: Convert to fraction form
    457,333.25/682,737.18 = 426,941.39/x
  3. Step 3: Cross multiply
    457,333.25x = 682,737.18 × 426,941.39
  4. Step 4: Simplify right side
    457,333.25x = 291,488,760,633.88
  5. Step 5: Solve for x
    x = 291,488,760,633.88/457,333.25
  6. Step 6: Final answer
    x = 637,366.21

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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.