Home / 513,026.80-769,540.20-233,090.80

Finding the Fourth Proportional to 513,026.80, 769,540.20 and 233,090.80

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Solution

The fourth proportional to 513,026.80, 769,540.20 and 233,090.80 is: 349,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,026.80 : 769,540.20 = 233,090.80 : x
  2. Step 2: Convert to fraction form
    513,026.80/769,540.20 = 233,090.80/x
  3. Step 3: Cross multiply
    513,026.80x = 769,540.20 × 233,090.80
  4. Step 4: Simplify right side
    513,026.80x = 179,372,740,850.16
  5. Step 5: Solve for x
    x = 179,372,740,850.16/513,026.80
  6. Step 6: Final answer
    x = 349,636.20

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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.