Home / 765,996.20-1,148,994.30-233,512.61

Finding the Fourth Proportional to 765,996.20, 1,148,994.30 and 233,512.61

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Solution

The fourth proportional to 765,996.20, 1,148,994.30 and 233,512.61 is: 350,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,996.20 : 1,148,994.30 = 233,512.61 : x
  2. Step 2: Convert to fraction form
    765,996.20/1,148,994.30 = 233,512.61/x
  3. Step 3: Cross multiply
    765,996.20x = 1,148,994.30 × 233,512.61
  4. Step 4: Simplify right side
    765,996.20x = 268,304,660,740.61
  5. Step 5: Solve for x
    x = 268,304,660,740.61/765,996.20
  6. Step 6: Final answer
    x = 350,268.92

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Double scale
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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.