Home / 901,469.43-1,351,994.25-422,028

Finding the Fourth Proportional to 901,469.43, 1,351,994.25 and 422,028

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Solution

The fourth proportional to 901,469.43, 1,351,994.25 and 422,028 is: 632,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,469.43 : 1,351,994.25 = 422,028 : x
  2. Step 2: Convert to fraction form
    901,469.43/1,351,994.25 = 422,028/x
  3. Step 3: Cross multiply
    901,469.43x = 1,351,994.25 × 422,028
  4. Step 4: Simplify right side
    901,469.43x = 570,579,429,339
  5. Step 5: Solve for x
    x = 570,579,429,339/901,469.43
  6. Step 6: Final answer
    x = 632,943.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.