Home / 853,091.24-1,279,633.21-347,539.46

Finding the Fourth Proportional to 853,091.24, 1,279,633.21 and 347,539.46

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Solution

The fourth proportional to 853,091.24, 1,279,633.21 and 347,539.46 is: 521,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,091.24 : 1,279,633.21 = 347,539.46 : x
  2. Step 2: Convert to fraction form
    853,091.24/1,279,633.21 = 347,539.46/x
  3. Step 3: Cross multiply
    853,091.24x = 1,279,633.21 × 347,539.46
  4. Step 4: Simplify right side
    853,091.24x = 444,723,027,534.45
  5. Step 5: Solve for x
    x = 444,723,027,534.45/853,091.24
  6. Step 6: Final answer
    x = 521,307.70

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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.