Home / 383,087.19-528,660.29-222,035.66

Finding the Fourth Proportional to 383,087.19, 528,660.29 and 222,035.66

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Solution

The fourth proportional to 383,087.19, 528,660.29 and 222,035.66 is: 306,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,087.19 : 528,660.29 = 222,035.66 : x
  2. Step 2: Convert to fraction form
    383,087.19/528,660.29 = 222,035.66/x
  3. Step 3: Cross multiply
    383,087.19x = 528,660.29 × 222,035.66
  4. Step 4: Simplify right side
    383,087.19x = 117,381,436,405.94
  5. Step 5: Solve for x
    x = 117,381,436,405.94/383,087.19
  6. Step 6: Final answer
    x = 306,409.19

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1.5x scale

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.