Home / 419,927.37-629,595.72-195,049.05

Finding the Fourth Proportional to 419,927.37, 629,595.72 and 195,049.05

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Solution

The fourth proportional to 419,927.37, 629,595.72 and 195,049.05 is: 292,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,927.37 : 629,595.72 = 195,049.05 : x
  2. Step 2: Convert to fraction form
    419,927.37/629,595.72 = 195,049.05/x
  3. Step 3: Cross multiply
    419,927.37x = 629,595.72 × 195,049.05
  4. Step 4: Simplify right side
    419,927.37x = 122,802,047,070.07
  5. Step 5: Solve for x
    x = 122,802,047,070.07/419,927.37
  6. Step 6: Final answer
    x = 292,436.40

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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.