Home / 740,930.91-1,111,267.58-208,325.54

Finding the Fourth Proportional to 740,930.91, 1,111,267.58 and 208,325.54

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Solution

The fourth proportional to 740,930.91, 1,111,267.58 and 208,325.54 is: 312,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,930.91 : 1,111,267.58 = 208,325.54 : x
  2. Step 2: Convert to fraction form
    740,930.91/1,111,267.58 = 208,325.54/x
  3. Step 3: Cross multiply
    740,930.91x = 1,111,267.58 × 208,325.54
  4. Step 4: Simplify right side
    740,930.91x = 231,505,412,090.03
  5. Step 5: Solve for x
    x = 231,505,412,090.03/740,930.91
  6. Step 6: Final answer
    x = 312,452.09

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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.