Home / 547,515.18-820,733.01-192,280.10

Finding the Fourth Proportional to 547,515.18, 820,733.01 and 192,280.10

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Solution

The fourth proportional to 547,515.18, 820,733.01 and 192,280.10 is: 288,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,515.18 : 820,733.01 = 192,280.10 : x
  2. Step 2: Convert to fraction form
    547,515.18/820,733.01 = 192,280.10/x
  3. Step 3: Cross multiply
    547,515.18x = 820,733.01 × 192,280.10
  4. Step 4: Simplify right side
    547,515.18x = 157,810,621,132.44
  5. Step 5: Solve for x
    x = 157,810,621,132.44/547,515.18
  6. Step 6: Final answer
    x = 288,230.59

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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.