Home / 525,144.20-787,716.30-259,032.20

Finding the Fourth Proportional to 525,144.20, 787,716.30 and 259,032.20

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Solution

The fourth proportional to 525,144.20, 787,716.30 and 259,032.20 is: 388,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,144.20 : 787,716.30 = 259,032.20 : x
  2. Step 2: Convert to fraction form
    525,144.20/787,716.30 = 259,032.20/x
  3. Step 3: Cross multiply
    525,144.20x = 787,716.30 × 259,032.20
  4. Step 4: Simplify right side
    525,144.20x = 204,043,886,164.86
  5. Step 5: Solve for x
    x = 204,043,886,164.86/525,144.20
  6. Step 6: Final answer
    x = 388,548.30

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Similar ratio
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1.5x scale

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.