Home / 383,023.36-528,551.98-219,671.44

Finding the Fourth Proportional to 383,023.36, 528,551.98 and 219,671.44

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Solution

The fourth proportional to 383,023.36, 528,551.98 and 219,671.44 is: 303,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,023.36 : 528,551.98 = 219,671.44 : x
  2. Step 2: Convert to fraction form
    383,023.36/528,551.98 = 219,671.44/x
  3. Step 3: Cross multiply
    383,023.36x = 528,551.98 × 219,671.44
  4. Step 4: Simplify right side
    383,023.36x = 116,107,774,561.45
  5. Step 5: Solve for x
    x = 116,107,774,561.45/383,023.36
  6. Step 6: Final answer
    x = 303,134.97

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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.