Home / 615,943.78-923,915.63-231,764.83

Finding the Fourth Proportional to 615,943.78, 923,915.63 and 231,764.83

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Solution

The fourth proportional to 615,943.78, 923,915.63 and 231,764.83 is: 347,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,943.78 : 923,915.63 = 231,764.83 : x
  2. Step 2: Convert to fraction form
    615,943.78/923,915.63 = 231,764.83/x
  3. Step 3: Cross multiply
    615,943.78x = 923,915.63 × 231,764.83
  4. Step 4: Simplify right side
    615,943.78x = 214,131,147,190.92
  5. Step 5: Solve for x
    x = 214,131,147,190.92/615,943.78
  6. Step 6: Final answer
    x = 347,647.23

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1.5x scale

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.