Home / 449,121.79-619,766.31-255,511.27

Finding the Fourth Proportional to 449,121.79, 619,766.31 and 255,511.27

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Solution

The fourth proportional to 449,121.79, 619,766.31 and 255,511.27 is: 352,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,121.79 : 619,766.31 = 255,511.27 : x
  2. Step 2: Convert to fraction form
    449,121.79/619,766.31 = 255,511.27/x
  3. Step 3: Cross multiply
    449,121.79x = 619,766.31 × 255,511.27
  4. Step 4: Simplify right side
    449,121.79x = 158,357,277,266.94
  5. Step 5: Solve for x
    x = 158,357,277,266.94/449,121.79
  6. Step 6: Final answer
    x = 352,593.17

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1.5x scale

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.