Home / 481,865.56-664,963.43-277,916.87

Finding the Fourth Proportional to 481,865.56, 664,963.43 and 277,916.87

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Solution

The fourth proportional to 481,865.56, 664,963.43 and 277,916.87 is: 383,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,865.56 : 664,963.43 = 277,916.87 : x
  2. Step 2: Convert to fraction form
    481,865.56/664,963.43 = 277,916.87/x
  3. Step 3: Cross multiply
    481,865.56x = 664,963.43 × 277,916.87
  4. Step 4: Simplify right side
    481,865.56x = 184,804,555,402.89
  5. Step 5: Solve for x
    x = 184,804,555,402.89/481,865.56
  6. Step 6: Final answer
    x = 383,518.91

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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.