Home / 487,546.10-731,027.55-251,350.10

Finding the Fourth Proportional to 487,546.10, 731,027.55 and 251,350.10

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Solution

The fourth proportional to 487,546.10, 731,027.55 and 251,350.10 is: 376,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,546.10 : 731,027.55 = 251,350.10 : x
  2. Step 2: Convert to fraction form
    487,546.10/731,027.55 = 251,350.10/x
  3. Step 3: Cross multiply
    487,546.10x = 731,027.55 × 251,350.10
  4. Step 4: Simplify right side
    487,546.10x = 183,743,847,795.26
  5. Step 5: Solve for x
    x = 183,743,847,795.26/487,546.10
  6. Step 6: Final answer
    x = 376,874.82

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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.