Home / 383,257.00-528,777.59-222,080.91

Finding the Fourth Proportional to 383,257.00, 528,777.59 and 222,080.91

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Solution

The fourth proportional to 383,257.00, 528,777.59 and 222,080.91 is: 306,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,257.00 : 528,777.59 = 222,080.91 : x
  2. Step 2: Convert to fraction form
    383,257.00/528,777.59 = 222,080.91/x
  3. Step 3: Cross multiply
    383,257.00x = 528,777.59 × 222,080.91
  4. Step 4: Simplify right side
    383,257.00x = 117,431,405,281.49
  5. Step 5: Solve for x
    x = 117,431,405,281.49/383,257.00
  6. Step 6: Final answer
    x = 306,403.81

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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.