Home / 455,211.54-628,098.14-261,581.85

Finding the Fourth Proportional to 455,211.54, 628,098.14 and 261,581.85

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Solution

The fourth proportional to 455,211.54, 628,098.14 and 261,581.85 is: 360,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,211.54 : 628,098.14 = 261,581.85 : x
  2. Step 2: Convert to fraction form
    455,211.54/628,098.14 = 261,581.85/x
  3. Step 3: Cross multiply
    455,211.54x = 628,098.14 × 261,581.85
  4. Step 4: Simplify right side
    455,211.54x = 164,299,072,134.85
  5. Step 5: Solve for x
    x = 164,299,072,134.85/455,211.54
  6. Step 6: Final answer
    x = 360,929.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.