Home / 470,540.22-649,344.09-255,680.94

Finding the Fourth Proportional to 470,540.22, 649,344.09 and 255,680.94

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Solution

The fourth proportional to 470,540.22, 649,344.09 and 255,680.94 is: 352,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,540.22 : 649,344.09 = 255,680.94 : x
  2. Step 2: Convert to fraction form
    470,540.22/649,344.09 = 255,680.94/x
  3. Step 3: Cross multiply
    470,540.22x = 649,344.09 × 255,680.94
  4. Step 4: Simplify right side
    470,540.22x = 166,024,907,314.65
  5. Step 5: Solve for x
    x = 166,024,907,314.65/470,540.22
  6. Step 6: Final answer
    x = 352,838.93

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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.