Home / 759,220.62-1,047,683.34-419,667

Finding the Fourth Proportional to 759,220.62, 1,047,683.34 and 419,667

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Solution

The fourth proportional to 759,220.62, 1,047,683.34 and 419,667 is: 579,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,220.62 : 1,047,683.34 = 419,667 : x
  2. Step 2: Convert to fraction form
    759,220.62/1,047,683.34 = 419,667/x
  3. Step 3: Cross multiply
    759,220.62x = 1,047,683.34 × 419,667
  4. Step 4: Simplify right side
    759,220.62x = 439,678,124,247.78
  5. Step 5: Solve for x
    x = 439,678,124,247.78/759,220.62
  6. Step 6: Final answer
    x = 579,117.73

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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.