Home / 853,251.60-1,279,382.23-403,968.67

Finding the Fourth Proportional to 853,251.60, 1,279,382.23 and 403,968.67

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Solution

The fourth proportional to 853,251.60, 1,279,382.23 and 403,968.67 is: 605,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,251.60 : 1,279,382.23 = 403,968.67 : x
  2. Step 2: Convert to fraction form
    853,251.60/1,279,382.23 = 403,968.67/x
  3. Step 3: Cross multiply
    853,251.60x = 1,279,382.23 × 403,968.67
  4. Step 4: Simplify right side
    853,251.60x = 516,830,337,874.73
  5. Step 5: Solve for x
    x = 516,830,337,874.73/853,251.60
  6. Step 6: Final answer
    x = 605,718.57

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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.