Home / 419,977.23-629,732.16-249,268.32

Finding the Fourth Proportional to 419,977.23, 629,732.16 and 249,268.32

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Solution

The fourth proportional to 419,977.23, 629,732.16 and 249,268.32 is: 373,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,977.23 : 629,732.16 = 249,268.32 : x
  2. Step 2: Convert to fraction form
    419,977.23/629,732.16 = 249,268.32/x
  3. Step 3: Cross multiply
    419,977.23x = 629,732.16 × 249,268.32
  4. Step 4: Simplify right side
    419,977.23x = 156,972,277,573.17
  5. Step 5: Solve for x
    x = 156,972,277,573.17/419,977.23
  6. Step 6: Final answer
    x = 373,763.78

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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.