Home / 419,623.92-629,984.56-249,156.72

Finding the Fourth Proportional to 419,623.92, 629,984.56 and 249,156.72

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Solution

The fourth proportional to 419,623.92, 629,984.56 and 249,156.72 is: 374,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,623.92 : 629,984.56 = 249,156.72 : x
  2. Step 2: Convert to fraction form
    419,623.92/629,984.56 = 249,156.72/x
  3. Step 3: Cross multiply
    419,623.92x = 629,984.56 × 249,156.72
  4. Step 4: Simplify right side
    419,623.92x = 156,964,886,620.24
  5. Step 5: Solve for x
    x = 156,964,886,620.24/419,623.92
  6. Step 6: Final answer
    x = 374,060.87

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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.