Home / 853,126.56-1,279,929-373,396.14

Finding the Fourth Proportional to 853,126.56, 1,279,929 and 373,396.14

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Solution

The fourth proportional to 853,126.56, 1,279,929 and 373,396.14 is: 560,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,126.56 : 1,279,929 = 373,396.14 : x
  2. Step 2: Convert to fraction form
    853,126.56/1,279,929 = 373,396.14/x
  3. Step 3: Cross multiply
    853,126.56x = 1,279,929 × 373,396.14
  4. Step 4: Simplify right side
    853,126.56x = 477,920,548,074.06
  5. Step 5: Solve for x
    x = 477,920,548,074.06/853,126.56
  6. Step 6: Final answer
    x = 560,198.89

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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.