Home / 454,087.26-626,640.56-263,211.36

Finding the Fourth Proportional to 454,087.26, 626,640.56 and 263,211.36

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Solution

The fourth proportional to 454,087.26, 626,640.56 and 263,211.36 is: 363,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,087.26 : 626,640.56 = 263,211.36 : x
  2. Step 2: Convert to fraction form
    454,087.26/626,640.56 = 263,211.36/x
  3. Step 3: Cross multiply
    454,087.26x = 626,640.56 × 263,211.36
  4. Step 4: Simplify right side
    454,087.26x = 164,938,912,712.71
  5. Step 5: Solve for x
    x = 164,938,912,712.71/454,087.26
  6. Step 6: Final answer
    x = 363,231.76

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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.