Home / 547,518.75-820,738.35-192,283.65

Finding the Fourth Proportional to 547,518.75, 820,738.35 and 192,283.65

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Solution

The fourth proportional to 547,518.75, 820,738.35 and 192,283.65 is: 288,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,518.75 : 820,738.35 = 192,283.65 : x
  2. Step 2: Convert to fraction form
    547,518.75/820,738.35 = 192,283.65/x
  3. Step 3: Cross multiply
    547,518.75x = 820,738.35 × 192,283.65
  4. Step 4: Simplify right side
    547,518.75x = 157,814,565,632.98
  5. Step 5: Solve for x
    x = 157,814,565,632.98/547,518.75
  6. Step 6: Final answer
    x = 288,235.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.