Home / 619,022.36-854,247.57-347,089.97

Finding the Fourth Proportional to 619,022.36, 854,247.57 and 347,089.97

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Solution

The fourth proportional to 619,022.36, 854,247.57 and 347,089.97 is: 478,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,022.36 : 854,247.57 = 347,089.97 : x
  2. Step 2: Convert to fraction form
    619,022.36/854,247.57 = 347,089.97/x
  3. Step 3: Cross multiply
    619,022.36x = 854,247.57 × 347,089.97
  4. Step 4: Simplify right side
    619,022.36x = 296,500,759,172.64
  5. Step 5: Solve for x
    x = 296,500,759,172.64/619,022.36
  6. Step 6: Final answer
    x = 478,982.31

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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.