Home / 383,101.07-528,679.46-222,049.53

Finding the Fourth Proportional to 383,101.07, 528,679.46 and 222,049.53

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Solution

The fourth proportional to 383,101.07, 528,679.46 and 222,049.53 is: 306,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,101.07 : 528,679.46 = 222,049.53 : x
  2. Step 2: Convert to fraction form
    383,101.07/528,679.46 = 222,049.53/x
  3. Step 3: Cross multiply
    383,101.07x = 528,679.46 × 222,049.53
  4. Step 4: Simplify right side
    383,101.07x = 117,393,026,168.78
  5. Step 5: Solve for x
    x = 117,393,026,168.78/383,101.07
  6. Step 6: Final answer
    x = 306,428.35

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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.