Home / 929,129.45-1,394,201.97-360,532.86

Finding the Fourth Proportional to 929,129.45, 1,394,201.97 and 360,532.86

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Solution

The fourth proportional to 929,129.45, 1,394,201.97 and 360,532.86 is: 540,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,129.45 : 1,394,201.97 = 360,532.86 : x
  2. Step 2: Convert to fraction form
    929,129.45/1,394,201.97 = 360,532.86/x
  3. Step 3: Cross multiply
    929,129.45x = 1,394,201.97 × 360,532.86
  4. Step 4: Simplify right side
    929,129.45x = 502,655,623,661.73
  5. Step 5: Solve for x
    x = 502,655,623,661.73/929,129.45
  6. Step 6: Final answer
    x = 540,996.33

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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.