Home / 455,869.17-683,777.84-123,419.25

Finding the Fourth Proportional to 455,869.17, 683,777.84 and 123,419.25

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Solution

The fourth proportional to 455,869.17, 683,777.84 and 123,419.25 is: 185,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,869.17 : 683,777.84 = 123,419.25 : x
  2. Step 2: Convert to fraction form
    455,869.17/683,777.84 = 123,419.25/x
  3. Step 3: Cross multiply
    455,869.17x = 683,777.84 × 123,419.25
  4. Step 4: Simplify right side
    455,869.17x = 84,391,347,562.32
  5. Step 5: Solve for x
    x = 84,391,347,562.32/455,869.17
  6. Step 6: Final answer
    x = 185,121.86

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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.