Home / 823,284.84-1,234,913.82-262,311.72

Finding the Fourth Proportional to 823,284.84, 1,234,913.82 and 262,311.72

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Solution

The fourth proportional to 823,284.84, 1,234,913.82 and 262,311.72 is: 393,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,284.84 : 1,234,913.82 = 262,311.72 : x
  2. Step 2: Convert to fraction form
    823,284.84/1,234,913.82 = 262,311.72/x
  3. Step 3: Cross multiply
    823,284.84x = 1,234,913.82 × 262,311.72
  4. Step 4: Simplify right side
    823,284.84x = 323,932,368,175.97
  5. Step 5: Solve for x
    x = 323,932,368,175.97/823,284.84
  6. Step 6: Final answer
    x = 393,463.30

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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.