Home / 525,664.78-787,973.11-222,135.49

Finding the Fourth Proportional to 525,664.78, 787,973.11 and 222,135.49

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Solution

The fourth proportional to 525,664.78, 787,973.11 and 222,135.49 is: 332,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,664.78 : 787,973.11 = 222,135.49 : x
  2. Step 2: Convert to fraction form
    525,664.78/787,973.11 = 222,135.49/x
  3. Step 3: Cross multiply
    525,664.78x = 787,973.11 × 222,135.49
  4. Step 4: Simplify right side
    525,664.78x = 175,036,792,896.67
  5. Step 5: Solve for x
    x = 175,036,792,896.67/525,664.78
  6. Step 6: Final answer
    x = 332,981.78

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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.