Home / 455,404.20-682,012.80-244,577.40

Finding the Fourth Proportional to 455,404.20, 682,012.80 and 244,577.40

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Solution

The fourth proportional to 455,404.20, 682,012.80 and 244,577.40 is: 366,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,404.20 : 682,012.80 = 244,577.40 : x
  2. Step 2: Convert to fraction form
    455,404.20/682,012.80 = 244,577.40/x
  3. Step 3: Cross multiply
    455,404.20x = 682,012.80 × 244,577.40
  4. Step 4: Simplify right side
    455,404.20x = 166,804,917,390.72
  5. Step 5: Solve for x
    x = 166,804,917,390.72/455,404.20
  6. Step 6: Final answer
    x = 366,278.83

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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.