Home / 455,794.37-681,956.87-275,215.13

Finding the Fourth Proportional to 455,794.37, 681,956.87 and 275,215.13

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Solution

The fourth proportional to 455,794.37, 681,956.87 and 275,215.13 is: 411,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,794.37 : 681,956.87 = 275,215.13 : x
  2. Step 2: Convert to fraction form
    455,794.37/681,956.87 = 275,215.13/x
  3. Step 3: Cross multiply
    455,794.37x = 681,956.87 × 275,215.13
  4. Step 4: Simplify right side
    455,794.37x = 187,684,843,845.58
  5. Step 5: Solve for x
    x = 187,684,843,845.58/455,794.37
  6. Step 6: Final answer
    x = 411,775.26

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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.