Home / 381,598.22-526,584.98-211,821.41

Finding the Fourth Proportional to 381,598.22, 526,584.98 and 211,821.41

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Solution

The fourth proportional to 381,598.22, 526,584.98 and 211,821.41 is: 292,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,598.22 : 526,584.98 = 211,821.41 : x
  2. Step 2: Convert to fraction form
    381,598.22/526,584.98 = 211,821.41/x
  3. Step 3: Cross multiply
    381,598.22x = 526,584.98 × 211,821.41
  4. Step 4: Simplify right side
    381,598.22x = 111,541,970,315.50
  5. Step 5: Solve for x
    x = 111,541,970,315.50/381,598.22
  6. Step 6: Final answer
    x = 292,302.13

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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.