Home / 853,171.92-1,177,370.03-471,190.50

Finding the Fourth Proportional to 853,171.92, 1,177,370.03 and 471,190.50

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Solution

The fourth proportional to 853,171.92, 1,177,370.03 and 471,190.50 is: 650,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,171.92 : 1,177,370.03 = 471,190.50 : x
  2. Step 2: Convert to fraction form
    853,171.92/1,177,370.03 = 471,190.50/x
  3. Step 3: Cross multiply
    853,171.92x = 1,177,370.03 × 471,190.50
  4. Step 4: Simplify right side
    853,171.92x = 554,765,570,764.76
  5. Step 5: Solve for x
    x = 554,765,570,764.76/853,171.92
  6. Step 6: Final answer
    x = 650,238.90

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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.