Home / 548,959.10-822,867.77-212,231.03

Finding the Fourth Proportional to 548,959.10, 822,867.77 and 212,231.03

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Solution

The fourth proportional to 548,959.10, 822,867.77 and 212,231.03 is: 318,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,959.10 : 822,867.77 = 212,231.03 : x
  2. Step 2: Convert to fraction form
    548,959.10/822,867.77 = 212,231.03/x
  3. Step 3: Cross multiply
    548,959.10x = 822,867.77 × 212,231.03
  4. Step 4: Simplify right side
    548,959.10x = 174,638,077,740.09
  5. Step 5: Solve for x
    x = 174,638,077,740.09/548,959.10
  6. Step 6: Final answer
    x = 318,125.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.