Home / 619,837.89-855,310.56-347,935.70

Finding the Fourth Proportional to 619,837.89, 855,310.56 and 347,935.70

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Solution

The fourth proportional to 619,837.89, 855,310.56 and 347,935.70 is: 480,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,837.89 : 855,310.56 = 347,935.70 : x
  2. Step 2: Convert to fraction form
    619,837.89/855,310.56 = 347,935.70/x
  3. Step 3: Cross multiply
    619,837.89x = 855,310.56 × 347,935.70
  4. Step 4: Simplify right side
    619,837.89x = 297,593,082,180.22
  5. Step 5: Solve for x
    x = 297,593,082,180.22/619,837.89
  6. Step 6: Final answer
    x = 480,114.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.