Home / 853,529.85-1,280,926.17-404,251.47

Finding the Fourth Proportional to 853,529.85, 1,280,926.17 and 404,251.47

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Solution

The fourth proportional to 853,529.85, 1,280,926.17 and 404,251.47 is: 606,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,529.85 : 1,280,926.17 = 404,251.47 : x
  2. Step 2: Convert to fraction form
    853,529.85/1,280,926.17 = 404,251.47/x
  3. Step 3: Cross multiply
    853,529.85x = 1,280,926.17 × 404,251.47
  4. Step 4: Simplify right side
    853,529.85x = 517,816,287,183.97
  5. Step 5: Solve for x
    x = 517,816,287,183.97/853,529.85
  6. Step 6: Final answer
    x = 606,676.25

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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.