Home / 823,511.10-1,234,683.45-317,876.70

Finding the Fourth Proportional to 823,511.10, 1,234,683.45 and 317,876.70

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Solution

The fourth proportional to 823,511.10, 1,234,683.45 and 317,876.70 is: 476,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,511.10 : 1,234,683.45 = 317,876.70 : x
  2. Step 2: Convert to fraction form
    823,511.10/1,234,683.45 = 317,876.70/x
  3. Step 3: Cross multiply
    823,511.10x = 1,234,683.45 × 317,876.70
  4. Step 4: Simplify right side
    823,511.10x = 392,477,100,630.62
  5. Step 5: Solve for x
    x = 392,477,100,630.62/823,511.10
  6. Step 6: Final answer
    x = 476,589.93

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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.