Home / 548,070.84-822,107.32-211,270.10

Finding the Fourth Proportional to 548,070.84, 822,107.32 and 211,270.10

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Solution

The fourth proportional to 548,070.84, 822,107.32 and 211,270.10 is: 316,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,070.84 : 822,107.32 = 211,270.10 : x
  2. Step 2: Convert to fraction form
    548,070.84/822,107.32 = 211,270.10/x
  3. Step 3: Cross multiply
    548,070.84x = 822,107.32 × 211,270.10
  4. Step 4: Simplify right side
    548,070.84x = 173,686,691,068.42
  5. Step 5: Solve for x
    x = 173,686,691,068.42/548,070.84
  6. Step 6: Final answer
    x = 316,905.55

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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.