Home / 492,580.37-679,747.32-277,718.55

Finding the Fourth Proportional to 492,580.37, 679,747.32 and 277,718.55

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Solution

The fourth proportional to 492,580.37, 679,747.32 and 277,718.55 is: 383,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,580.37 : 679,747.32 = 277,718.55 : x
  2. Step 2: Convert to fraction form
    492,580.37/679,747.32 = 277,718.55/x
  3. Step 3: Cross multiply
    492,580.37x = 679,747.32 × 277,718.55
  4. Step 4: Simplify right side
    492,580.37x = 188,778,440,076.79
  5. Step 5: Solve for x
    x = 188,778,440,076.79/492,580.37
  6. Step 6: Final answer
    x = 383,243.94

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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.