Home / 557,731.50-836,447.80-242,113.38

Finding the Fourth Proportional to 557,731.50, 836,447.80 and 242,113.38

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Solution

The fourth proportional to 557,731.50, 836,447.80 and 242,113.38 is: 363,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,731.50 : 836,447.80 = 242,113.38 : x
  2. Step 2: Convert to fraction form
    557,731.50/836,447.80 = 242,113.38/x
  3. Step 3: Cross multiply
    557,731.50x = 836,447.80 × 242,113.38
  4. Step 4: Simplify right side
    557,731.50x = 202,515,204,051.56
  5. Step 5: Solve for x
    x = 202,515,204,051.56/557,731.50
  6. Step 6: Final answer
    x = 363,105.19

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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.