Home / 401,084.70-553,748.55-258,093.24

Finding the Fourth Proportional to 401,084.70, 553,748.55 and 258,093.24

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Solution

The fourth proportional to 401,084.70, 553,748.55 and 258,093.24 is: 356,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,084.70 : 553,748.55 = 258,093.24 : x
  2. Step 2: Convert to fraction form
    401,084.70/553,748.55 = 258,093.24/x
  3. Step 3: Cross multiply
    401,084.70x = 553,748.55 × 258,093.24
  4. Step 4: Simplify right side
    401,084.70x = 142,918,757,414.80
  5. Step 5: Solve for x
    x = 142,918,757,414.80/401,084.70
  6. Step 6: Final answer
    x = 356,330.61

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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.