Home / 383,022.36-528,550.60-219,670.44

Finding the Fourth Proportional to 383,022.36, 528,550.60 and 219,670.44

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Solution

The fourth proportional to 383,022.36, 528,550.60 and 219,670.44 is: 303,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,022.36 : 528,550.60 = 219,670.44 : x
  2. Step 2: Convert to fraction form
    383,022.36/528,550.60 = 219,670.44/x
  3. Step 3: Cross multiply
    383,022.36x = 528,550.60 × 219,670.44
  4. Step 4: Simplify right side
    383,022.36x = 116,106,942,864.26
  5. Step 5: Solve for x
    x = 116,106,942,864.26/383,022.36
  6. Step 6: Final answer
    x = 303,133.59

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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.