Home / 383,243.46-528,892.32-213,477.66

Finding the Fourth Proportional to 383,243.46, 528,892.32 and 213,477.66

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Solution

The fourth proportional to 383,243.46, 528,892.32 and 213,477.66 is: 294,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,243.46 : 528,892.32 = 213,477.66 : x
  2. Step 2: Convert to fraction form
    383,243.46/528,892.32 = 213,477.66/x
  3. Step 3: Cross multiply
    383,243.46x = 528,892.32 × 213,477.66
  4. Step 4: Simplify right side
    383,243.46x = 112,906,694,865.57
  5. Step 5: Solve for x
    x = 112,906,694,865.57/383,243.46
  6. Step 6: Final answer
    x = 294,608.28

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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.