Home / 492,583.36-679,751.46-277,721.56

Finding the Fourth Proportional to 492,583.36, 679,751.46 and 277,721.56

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Solution

The fourth proportional to 492,583.36, 679,751.46 and 277,721.56 is: 383,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,583.36 : 679,751.46 = 277,721.56 : x
  2. Step 2: Convert to fraction form
    492,583.36/679,751.46 = 277,721.56/x
  3. Step 3: Cross multiply
    492,583.36x = 679,751.46 × 277,721.56
  4. Step 4: Simplify right side
    492,583.36x = 188,781,635,883.48
  5. Step 5: Solve for x
    x = 188,781,635,883.48/492,583.36
  6. Step 6: Final answer
    x = 383,248.10

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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.