Home / 759,270.54-1,047,821.31-415,129.38

Finding the Fourth Proportional to 759,270.54, 1,047,821.31 and 415,129.38

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Solution

The fourth proportional to 759,270.54, 1,047,821.31 and 415,129.38 is: 572,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,270.54 : 1,047,821.31 = 415,129.38 : x
  2. Step 2: Convert to fraction form
    759,270.54/1,047,821.31 = 415,129.38/x
  3. Step 3: Cross multiply
    759,270.54x = 1,047,821.31 × 415,129.38
  4. Step 4: Simplify right side
    759,270.54x = 434,981,410,771.09
  5. Step 5: Solve for x
    x = 434,981,410,771.09/759,270.54
  6. Step 6: Final answer
    x = 572,893.83

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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.