Home / 744,163.20-1,116,390.60-317,698.20

Finding the Fourth Proportional to 744,163.20, 1,116,390.60 and 317,698.20

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Solution

The fourth proportional to 744,163.20, 1,116,390.60 and 317,698.20 is: 476,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,163.20 : 1,116,390.60 = 317,698.20 : x
  2. Step 2: Convert to fraction form
    744,163.20/1,116,390.60 = 317,698.20/x
  3. Step 3: Cross multiply
    744,163.20x = 1,116,390.60 × 317,698.20
  4. Step 4: Simplify right side
    744,163.20x = 354,675,284,116.92
  5. Step 5: Solve for x
    x = 354,675,284,116.92/744,163.20
  6. Step 6: Final answer
    x = 476,609.54

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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.