Home / 470,206.13-649,083.11-317,451.24

Finding the Fourth Proportional to 470,206.13, 649,083.11 and 317,451.24

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Solution

The fourth proportional to 470,206.13, 649,083.11 and 317,451.24 is: 438,216.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,206.13 : 649,083.11 = 317,451.24 : x
  2. Step 2: Convert to fraction form
    470,206.13/649,083.11 = 317,451.24/x
  3. Step 3: Cross multiply
    470,206.13x = 649,083.11 × 317,451.24
  4. Step 4: Simplify right side
    470,206.13x = 206,052,238,330.96
  5. Step 5: Solve for x
    x = 206,052,238,330.96/470,206.13
  6. Step 6: Final answer
    x = 438,216.83

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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.