Home / 591,620.40-887,430.60-276,109.20

Finding the Fourth Proportional to 591,620.40, 887,430.60 and 276,109.20

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Solution

The fourth proportional to 591,620.40, 887,430.60 and 276,109.20 is: 414,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,620.40 : 887,430.60 = 276,109.20 : x
  2. Step 2: Convert to fraction form
    591,620.40/887,430.60 = 276,109.20/x
  3. Step 3: Cross multiply
    591,620.40x = 887,430.60 × 276,109.20
  4. Step 4: Simplify right side
    591,620.40x = 245,027,753,021.52
  5. Step 5: Solve for x
    x = 245,027,753,021.52/591,620.40
  6. Step 6: Final answer
    x = 414,163.80

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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.