Home / 548,434.74-822,568.71-211,426.23

Finding the Fourth Proportional to 548,434.74, 822,568.71 and 211,426.23

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Solution

The fourth proportional to 548,434.74, 822,568.71 and 211,426.23 is: 317,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,434.74 : 822,568.71 = 211,426.23 : x
  2. Step 2: Convert to fraction form
    548,434.74/822,568.71 = 211,426.23/x
  3. Step 3: Cross multiply
    548,434.74x = 822,568.71 × 211,426.23
  4. Step 4: Simplify right side
    548,434.74x = 173,912,601,271.26
  5. Step 5: Solve for x
    x = 173,912,601,271.26/548,434.74
  6. Step 6: Final answer
    x = 317,107.19

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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.