Home / 655,925.26-905,241.24-383,976.66

Finding the Fourth Proportional to 655,925.26, 905,241.24 and 383,976.66

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Solution

The fourth proportional to 655,925.26, 905,241.24 and 383,976.66 is: 529,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,925.26 : 905,241.24 = 383,976.66 : x
  2. Step 2: Convert to fraction form
    655,925.26/905,241.24 = 383,976.66/x
  3. Step 3: Cross multiply
    655,925.26x = 905,241.24 × 383,976.66
  4. Step 4: Simplify right side
    655,925.26x = 347,591,507,829.46
  5. Step 5: Solve for x
    x = 347,591,507,829.46/655,925.26
  6. Step 6: Final answer
    x = 529,925.48

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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.