Home / 470,206.22-649,083.24-317,451.33

Finding the Fourth Proportional to 470,206.22, 649,083.24 and 317,451.33

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Solution

The fourth proportional to 470,206.22, 649,083.24 and 317,451.33 is: 438,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,206.22 : 649,083.24 = 317,451.33 : x
  2. Step 2: Convert to fraction form
    470,206.22/649,083.24 = 317,451.33/x
  3. Step 3: Cross multiply
    470,206.22x = 649,083.24 × 317,451.33
  4. Step 4: Simplify right side
    470,206.22x = 206,052,340,252.77
  5. Step 5: Solve for x
    x = 206,052,340,252.77/470,206.22
  6. Step 6: Final answer
    x = 438,216.96

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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.