Home / 756,678.04-1,134,770.11-251,103.21

Finding the Fourth Proportional to 756,678.04, 1,134,770.11 and 251,103.21

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Solution

The fourth proportional to 756,678.04, 1,134,770.11 and 251,103.21 is: 376,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,678.04 : 1,134,770.11 = 251,103.21 : x
  2. Step 2: Convert to fraction form
    756,678.04/1,134,770.11 = 251,103.21/x
  3. Step 3: Cross multiply
    756,678.04x = 1,134,770.11 × 251,103.21
  4. Step 4: Simplify right side
    756,678.04x = 284,944,412,349.91
  5. Step 5: Solve for x
    x = 284,944,412,349.91/756,678.04
  6. Step 6: Final answer
    x = 376,572.86

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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.