Home / 659,194.38-909,695.25-387,273.60

Finding the Fourth Proportional to 659,194.38, 909,695.25 and 387,273.60

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Solution

The fourth proportional to 659,194.38, 909,695.25 and 387,273.60 is: 534,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,194.38 : 909,695.25 = 387,273.60 : x
  2. Step 2: Convert to fraction form
    659,194.38/909,695.25 = 387,273.60/x
  3. Step 3: Cross multiply
    659,194.38x = 909,695.25 × 387,273.60
  4. Step 4: Simplify right side
    659,194.38x = 352,300,954,370.40
  5. Step 5: Solve for x
    x = 352,300,954,370.40/659,194.38
  6. Step 6: Final answer
    x = 534,441.68

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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.