Home / 455,832.20-683,866.53-242,424.64

Finding the Fourth Proportional to 455,832.20, 683,866.53 and 242,424.64

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Solution

The fourth proportional to 455,832.20, 683,866.53 and 242,424.64 is: 363,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,832.20 : 683,866.53 = 242,424.64 : x
  2. Step 2: Convert to fraction form
    455,832.20/683,866.53 = 242,424.64/x
  3. Step 3: Cross multiply
    455,832.20x = 683,866.53 × 242,424.64
  4. Step 4: Simplify right side
    455,832.20x = 165,786,093,960.23
  5. Step 5: Solve for x
    x = 165,786,093,960.23/455,832.20
  6. Step 6: Final answer
    x = 363,699.83

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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.