Home / 759,411.75-1,047,945.09-415,183.73

Finding the Fourth Proportional to 759,411.75, 1,047,945.09 and 415,183.73

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Solution

The fourth proportional to 759,411.75, 1,047,945.09 and 415,183.73 is: 572,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,411.75 : 1,047,945.09 = 415,183.73 : x
  2. Step 2: Convert to fraction form
    759,411.75/1,047,945.09 = 415,183.73/x
  3. Step 3: Cross multiply
    759,411.75x = 1,047,945.09 × 415,183.73
  4. Step 4: Simplify right side
    759,411.75x = 435,089,747,618.60
  5. Step 5: Solve for x
    x = 435,089,747,618.60/759,411.75
  6. Step 6: Final answer
    x = 572,929.96

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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.