Home / 548,197.02-822,435.67-211,147.21

Finding the Fourth Proportional to 548,197.02, 822,435.67 and 211,147.21

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Solution

The fourth proportional to 548,197.02, 822,435.67 and 211,147.21 is: 316,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,197.02 : 822,435.67 = 211,147.21 : x
  2. Step 2: Convert to fraction form
    548,197.02/822,435.67 = 211,147.21/x
  3. Step 3: Cross multiply
    548,197.02x = 822,435.67 × 211,147.21
  4. Step 4: Simplify right side
    548,197.02x = 173,654,995,332.83
  5. Step 5: Solve for x
    x = 173,654,995,332.83/548,197.02
  6. Step 6: Final answer
    x = 316,774.79

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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.