Home / 752,147.43-1,128,223.58-191,181.93

Finding the Fourth Proportional to 752,147.43, 1,128,223.58 and 191,181.93

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Solution

The fourth proportional to 752,147.43, 1,128,223.58 and 191,181.93 is: 286,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,147.43 : 1,128,223.58 = 191,181.93 : x
  2. Step 2: Convert to fraction form
    752,147.43/1,128,223.58 = 191,181.93/x
  3. Step 3: Cross multiply
    752,147.43x = 1,128,223.58 × 191,181.93
  4. Step 4: Simplify right side
    752,147.43x = 215,695,960,540.00
  5. Step 5: Solve for x
    x = 215,695,960,540.00/752,147.43
  6. Step 6: Final answer
    x = 286,773.51

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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.