Home / 454,049.16-626,661-263,172.66

Finding the Fourth Proportional to 454,049.16, 626,661 and 263,172.66

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Solution

The fourth proportional to 454,049.16, 626,661 and 263,172.66 is: 363,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,049.16 : 626,661 = 263,172.66 : x
  2. Step 2: Convert to fraction form
    454,049.16/626,661 = 263,172.66/x
  3. Step 3: Cross multiply
    454,049.16x = 626,661 × 263,172.66
  4. Step 4: Simplify right side
    454,049.16x = 164,920,042,288.26
  5. Step 5: Solve for x
    x = 164,920,042,288.26/454,049.16
  6. Step 6: Final answer
    x = 363,220.67

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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.