Home / 765,998.39-1,148,997.57-233,514.81

Finding the Fourth Proportional to 765,998.39, 1,148,997.57 and 233,514.81

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Solution

The fourth proportional to 765,998.39, 1,148,997.57 and 233,514.81 is: 350,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,998.39 : 1,148,997.57 = 233,514.81 : x
  2. Step 2: Convert to fraction form
    765,998.39/1,148,997.57 = 233,514.81/x
  3. Step 3: Cross multiply
    765,998.39x = 1,148,997.57 × 233,514.81
  4. Step 4: Simplify right side
    765,998.39x = 268,307,949,249.01
  5. Step 5: Solve for x
    x = 268,307,949,249.01/765,998.39
  6. Step 6: Final answer
    x = 350,272.21

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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.