Home / 568,428.14-853,087.70-396,531.77

Finding the Fourth Proportional to 568,428.14, 853,087.70 and 396,531.77

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Solution

The fourth proportional to 568,428.14, 853,087.70 and 396,531.77 is: 595,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,428.14 : 853,087.70 = 396,531.77 : x
  2. Step 2: Convert to fraction form
    568,428.14/853,087.70 = 396,531.77/x
  3. Step 3: Cross multiply
    568,428.14x = 853,087.70 × 396,531.77
  4. Step 4: Simplify right side
    568,428.14x = 338,276,372,372.12
  5. Step 5: Solve for x
    x = 338,276,372,372.12/568,428.14
  6. Step 6: Final answer
    x = 595,108.42

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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.