Home / 492,583.46-679,764.15-277,722.05

Finding the Fourth Proportional to 492,583.46, 679,764.15 and 277,722.05

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Solution

The fourth proportional to 492,583.46, 679,764.15 and 277,722.05 is: 383,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,583.46 : 679,764.15 = 277,722.05 : x
  2. Step 2: Convert to fraction form
    492,583.46/679,764.15 = 277,722.05/x
  3. Step 3: Cross multiply
    492,583.46x = 679,764.15 × 277,722.05
  4. Step 4: Simplify right side
    492,583.46x = 188,785,489,855.69
  5. Step 5: Solve for x
    x = 188,785,489,855.69/492,583.46
  6. Step 6: Final answer
    x = 383,255.85

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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.