Home / 743,909.25-1,025,644.49-481,801.56

Finding the Fourth Proportional to 743,909.25, 1,025,644.49 and 481,801.56

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Solution

The fourth proportional to 743,909.25, 1,025,644.49 and 481,801.56 is: 664,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,909.25 : 1,025,644.49 = 481,801.56 : x
  2. Step 2: Convert to fraction form
    743,909.25/1,025,644.49 = 481,801.56/x
  3. Step 3: Cross multiply
    743,909.25x = 1,025,644.49 × 481,801.56
  4. Step 4: Simplify right side
    743,909.25x = 494,157,110,838.99
  5. Step 5: Solve for x
    x = 494,157,110,838.99/743,909.25
  6. Step 6: Final answer
    x = 664,270.69

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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.