Home / 695,149.56-959,227.09-389,183.40

Finding the Fourth Proportional to 695,149.56, 959,227.09 and 389,183.40

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Solution

The fourth proportional to 695,149.56, 959,227.09 and 389,183.40 is: 537,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,149.56 : 959,227.09 = 389,183.40 : x
  2. Step 2: Convert to fraction form
    695,149.56/959,227.09 = 389,183.40/x
  3. Step 3: Cross multiply
    695,149.56x = 959,227.09 × 389,183.40
  4. Step 4: Simplify right side
    695,149.56x = 373,315,260,258.31
  5. Step 5: Solve for x
    x = 373,315,260,258.31/695,149.56
  6. Step 6: Final answer
    x = 537,028.69

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1.5x scale

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.