Home / 398,931.25-550,522.51-226,849.23

Finding the Fourth Proportional to 398,931.25, 550,522.51 and 226,849.23

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Solution

The fourth proportional to 398,931.25, 550,522.51 and 226,849.23 is: 313,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,931.25 : 550,522.51 = 226,849.23 : x
  2. Step 2: Convert to fraction form
    398,931.25/550,522.51 = 226,849.23/x
  3. Step 3: Cross multiply
    398,931.25x = 550,522.51 × 226,849.23
  4. Step 4: Simplify right side
    398,931.25x = 124,885,603,604.31
  5. Step 5: Solve for x
    x = 124,885,603,604.31/398,931.25
  6. Step 6: Final answer
    x = 313,050.44

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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.