Home / 383,180.40-528,805.26-213,414.54

Finding the Fourth Proportional to 383,180.40, 528,805.26 and 213,414.54

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Solution

The fourth proportional to 383,180.40, 528,805.26 and 213,414.54 is: 294,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,180.40 : 528,805.26 = 213,414.54 : x
  2. Step 2: Convert to fraction form
    383,180.40/528,805.26 = 213,414.54/x
  3. Step 3: Cross multiply
    383,180.40x = 528,805.26 × 213,414.54
  4. Step 4: Simplify right side
    383,180.40x = 112,854,731,312.48
  5. Step 5: Solve for x
    x = 112,854,731,312.48/383,180.40
  6. Step 6: Final answer
    x = 294,521.15

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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.