Home / 488,301.40-731,868.90-251,522.20

Finding the Fourth Proportional to 488,301.40, 731,868.90 and 251,522.20

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Solution

The fourth proportional to 488,301.40, 731,868.90 and 251,522.20 is: 376,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,301.40 : 731,868.90 = 251,522.20 : x
  2. Step 2: Convert to fraction form
    488,301.40/731,868.90 = 251,522.20/x
  3. Step 3: Cross multiply
    488,301.40x = 731,868.90 × 251,522.20
  4. Step 4: Simplify right side
    488,301.40x = 184,081,275,839.58
  5. Step 5: Solve for x
    x = 184,081,275,839.58/488,301.40
  6. Step 6: Final answer
    x = 376,982.90

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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.