Home / 492,424.32-679,536.06-277,560.24

Finding the Fourth Proportional to 492,424.32, 679,536.06 and 277,560.24

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Solution

The fourth proportional to 492,424.32, 679,536.06 and 277,560.24 is: 383,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,424.32 : 679,536.06 = 277,560.24 : x
  2. Step 2: Convert to fraction form
    492,424.32/679,536.06 = 277,560.24/x
  3. Step 3: Cross multiply
    492,424.32x = 679,536.06 × 277,560.24
  4. Step 4: Simplify right side
    492,424.32x = 188,612,191,902.25
  5. Step 5: Solve for x
    x = 188,612,191,902.25/492,424.32
  6. Step 6: Final answer
    x = 383,027.78

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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.