Home / 682,825.89-942,294.53-376,902.23

Finding the Fourth Proportional to 682,825.89, 942,294.53 and 376,902.23

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Solution

The fourth proportional to 682,825.89, 942,294.53 and 376,902.23 is: 520,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,825.89 : 942,294.53 = 376,902.23 : x
  2. Step 2: Convert to fraction form
    682,825.89/942,294.53 = 376,902.23/x
  3. Step 3: Cross multiply
    682,825.89x = 942,294.53 × 376,902.23
  4. Step 4: Simplify right side
    682,825.89x = 355,152,912,971.79
  5. Step 5: Solve for x
    x = 355,152,912,971.79/682,825.89
  6. Step 6: Final answer
    x = 520,122.21

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1.5x scale

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.