Home / 492,432.48-679,516.10-277,625.34

Finding the Fourth Proportional to 492,432.48, 679,516.10 and 277,625.34

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Solution

The fourth proportional to 492,432.48, 679,516.10 and 277,625.34 is: 383,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,432.48 : 679,516.10 = 277,625.34 : x
  2. Step 2: Convert to fraction form
    492,432.48/679,516.10 = 277,625.34/x
  3. Step 3: Cross multiply
    492,432.48x = 679,516.10 × 277,625.34
  4. Step 4: Simplify right side
    492,432.48x = 188,650,888,297.97
  5. Step 5: Solve for x
    x = 188,650,888,297.97/492,432.48
  6. Step 6: Final answer
    x = 383,100.01

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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.