Home / 521,087.90-781,491.22-184,084.18

Finding the Fourth Proportional to 521,087.90, 781,491.22 and 184,084.18

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Solution

The fourth proportional to 521,087.90, 781,491.22 and 184,084.18 is: 276,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,087.90 : 781,491.22 = 184,084.18 : x
  2. Step 2: Convert to fraction form
    521,087.90/781,491.22 = 184,084.18/x
  3. Step 3: Cross multiply
    521,087.90x = 781,491.22 × 184,084.18
  4. Step 4: Simplify right side
    521,087.90x = 143,860,167,996.96
  5. Step 5: Solve for x
    x = 143,860,167,996.96/521,087.90
  6. Step 6: Final answer
    x = 276,076.59

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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.