Home / 740,238.33-1,110,131.45-313,766.16

Finding the Fourth Proportional to 740,238.33, 1,110,131.45 and 313,766.16

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Solution

The fourth proportional to 740,238.33, 1,110,131.45 and 313,766.16 is: 470,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,238.33 : 1,110,131.45 = 313,766.16 : x
  2. Step 2: Convert to fraction form
    740,238.33/1,110,131.45 = 313,766.16/x
  3. Step 3: Cross multiply
    740,238.33x = 1,110,131.45 × 313,766.16
  4. Step 4: Simplify right side
    740,238.33x = 348,321,678,489.00
  5. Step 5: Solve for x
    x = 348,321,678,489.00/740,238.33
  6. Step 6: Final answer
    x = 470,553.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.