Home / 622,983.39-859,717.43-336,503.46

Finding the Fourth Proportional to 622,983.39, 859,717.43 and 336,503.46

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Solution

The fourth proportional to 622,983.39, 859,717.43 and 336,503.46 is: 464,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,983.39 : 859,717.43 = 336,503.46 : x
  2. Step 2: Convert to fraction form
    622,983.39/859,717.43 = 336,503.46/x
  3. Step 3: Cross multiply
    622,983.39x = 859,717.43 × 336,503.46
  4. Step 4: Simplify right side
    622,983.39x = 289,297,892,620.62
  5. Step 5: Solve for x
    x = 289,297,892,620.62/622,983.39
  6. Step 6: Final answer
    x = 464,374.97

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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.