Home / 465,054.62-641,839.55-258,369.35

Finding the Fourth Proportional to 465,054.62, 641,839.55 and 258,369.35

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Solution

The fourth proportional to 465,054.62, 641,839.55 and 258,369.35 is: 356,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,054.62 : 641,839.55 = 258,369.35 : x
  2. Step 2: Convert to fraction form
    465,054.62/641,839.55 = 258,369.35/x
  3. Step 3: Cross multiply
    465,054.62x = 641,839.55 × 258,369.35
  4. Step 4: Simplify right side
    465,054.62x = 165,831,662,836.75
  5. Step 5: Solve for x
    x = 165,831,662,836.75/465,054.62
  6. Step 6: Final answer
    x = 356,585.35

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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.