Home / 470,207.48-649,084.94-317,452.57

Finding the Fourth Proportional to 470,207.48, 649,084.94 and 317,452.57

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Solution

The fourth proportional to 470,207.48, 649,084.94 and 317,452.57 is: 438,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,207.48 : 649,084.94 = 317,452.57 : x
  2. Step 2: Convert to fraction form
    470,207.48/649,084.94 = 317,452.57/x
  3. Step 3: Cross multiply
    470,207.48x = 649,084.94 × 317,452.57
  4. Step 4: Simplify right side
    470,207.48x = 206,053,682,351.30
  5. Step 5: Solve for x
    x = 206,053,682,351.30/470,207.48
  6. Step 6: Final answer
    x = 438,218.64

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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.