Home / 853,158.42-1,279,861.56-347,750.01

Finding the Fourth Proportional to 853,158.42, 1,279,861.56 and 347,750.01

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Solution

The fourth proportional to 853,158.42, 1,279,861.56 and 347,750.01 is: 521,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,158.42 : 1,279,861.56 = 347,750.01 : x
  2. Step 2: Convert to fraction form
    853,158.42/1,279,861.56 = 347,750.01/x
  3. Step 3: Cross multiply
    853,158.42x = 1,279,861.56 × 347,750.01
  4. Step 4: Simplify right side
    853,158.42x = 445,071,870,288.62
  5. Step 5: Solve for x
    x = 445,071,870,288.62/853,158.42
  6. Step 6: Final answer
    x = 521,675.53

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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.