Home / 547,518.02-821,134.46-231,812.42

Finding the Fourth Proportional to 547,518.02, 821,134.46 and 231,812.42

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Solution

The fourth proportional to 547,518.02, 821,134.46 and 231,812.42 is: 347,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,518.02 : 821,134.46 = 231,812.42 : x
  2. Step 2: Convert to fraction form
    547,518.02/821,134.46 = 231,812.42/x
  3. Step 3: Cross multiply
    547,518.02x = 821,134.46 × 231,812.42
  4. Step 4: Simplify right side
    547,518.02x = 190,349,162,791.85
  5. Step 5: Solve for x
    x = 190,349,162,791.85/547,518.02
  6. Step 6: Final answer
    x = 347,658.26

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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.