Home / 421,984.49-582,610.19-376,584.46

Finding the Fourth Proportional to 421,984.49, 582,610.19 and 376,584.46

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Solution

The fourth proportional to 421,984.49, 582,610.19 and 376,584.46 is: 519,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,984.49 : 582,610.19 = 376,584.46 : x
  2. Step 2: Convert to fraction form
    421,984.49/582,610.19 = 376,584.46/x
  3. Step 3: Cross multiply
    421,984.49x = 582,610.19 × 376,584.46
  4. Step 4: Simplify right side
    421,984.49x = 219,401,940,452.20
  5. Step 5: Solve for x
    x = 219,401,940,452.20/421,984.49
  6. Step 6: Final answer
    x = 519,928.93

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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.