Home / 489,024.27-674,603.28-325,961.55

Finding the Fourth Proportional to 489,024.27, 674,603.28 and 325,961.55

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Solution

The fourth proportional to 489,024.27, 674,603.28 and 325,961.55 is: 449,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,024.27 : 674,603.28 = 325,961.55 : x
  2. Step 2: Convert to fraction form
    489,024.27/674,603.28 = 325,961.55/x
  3. Step 3: Cross multiply
    489,024.27x = 674,603.28 × 325,961.55
  4. Step 4: Simplify right side
    489,024.27x = 219,894,730,783.88
  5. Step 5: Solve for x
    x = 219,894,730,783.88/489,024.27
  6. Step 6: Final answer
    x = 449,660.16

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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.