Home / 724,678.44-1,087,017.66-192,241.14

Finding the Fourth Proportional to 724,678.44, 1,087,017.66 and 192,241.14

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Solution

The fourth proportional to 724,678.44, 1,087,017.66 and 192,241.14 is: 288,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,678.44 : 1,087,017.66 = 192,241.14 : x
  2. Step 2: Convert to fraction form
    724,678.44/1,087,017.66 = 192,241.14/x
  3. Step 3: Cross multiply
    724,678.44x = 1,087,017.66 × 192,241.14
  4. Step 4: Simplify right side
    724,678.44x = 208,969,514,158.53
  5. Step 5: Solve for x
    x = 208,969,514,158.53/724,678.44
  6. Step 6: Final answer
    x = 288,361.71

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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.