Home / 1,027,707.75-1,541,708.64-317,790.54

Finding the Fourth Proportional to 1,027,707.75, 1,541,708.64 and 317,790.54

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Solution

The fourth proportional to 1,027,707.75, 1,541,708.64 and 317,790.54 is: 476,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,707.75 : 1,541,708.64 = 317,790.54 : x
  2. Step 2: Convert to fraction form
    1,027,707.75/1,541,708.64 = 317,790.54/x
  3. Step 3: Cross multiply
    1,027,707.75x = 1,541,708.64 × 317,790.54
  4. Step 4: Simplify right side
    1,027,707.75x = 489,940,421,228.27
  5. Step 5: Solve for x
    x = 489,940,421,228.27/1,027,707.75
  6. Step 6: Final answer
    x = 476,731.27

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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.