Home / 769,913.37-1,062,487.32-425,772.45

Finding the Fourth Proportional to 769,913.37, 1,062,487.32 and 425,772.45

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Solution

The fourth proportional to 769,913.37, 1,062,487.32 and 425,772.45 is: 587,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,913.37 : 1,062,487.32 = 425,772.45 : x
  2. Step 2: Convert to fraction form
    769,913.37/1,062,487.32 = 425,772.45/x
  3. Step 3: Cross multiply
    769,913.37x = 1,062,487.32 × 425,772.45
  4. Step 4: Simplify right side
    769,913.37x = 452,377,829,330.33
  5. Step 5: Solve for x
    x = 452,377,829,330.33/769,913.37
  6. Step 6: Final answer
    x = 587,569.78

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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.