Home / 419,609.37-629,962.76-249,142.24

Finding the Fourth Proportional to 419,609.37, 629,962.76 and 249,142.24

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Solution

The fourth proportional to 419,609.37, 629,962.76 and 249,142.24 is: 374,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,609.37 : 629,962.76 = 249,142.24 : x
  2. Step 2: Convert to fraction form
    419,609.37/629,962.76 = 249,142.24/x
  3. Step 3: Cross multiply
    419,609.37x = 629,962.76 × 249,142.24
  4. Step 4: Simplify right side
    419,609.37x = 156,950,333,142.98
  5. Step 5: Solve for x
    x = 156,950,333,142.98/419,609.37
  6. Step 6: Final answer
    x = 374,039.15

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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.