Home / 896,219.75-1,236,767.60-488,324.97

Finding the Fourth Proportional to 896,219.75, 1,236,767.60 and 488,324.97

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Solution

The fourth proportional to 896,219.75, 1,236,767.60 and 488,324.97 is: 673,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,219.75 : 1,236,767.60 = 488,324.97 : x
  2. Step 2: Convert to fraction form
    896,219.75/1,236,767.60 = 488,324.97/x
  3. Step 3: Cross multiply
    896,219.75x = 1,236,767.60 × 488,324.97
  4. Step 4: Simplify right side
    896,219.75x = 603,944,498,725.35
  5. Step 5: Solve for x
    x = 603,944,498,725.35/896,219.75
  6. Step 6: Final answer
    x = 673,879.93

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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.