Home / 744,175.20-1,116,408.60-317,710.20

Finding the Fourth Proportional to 744,175.20, 1,116,408.60 and 317,710.20

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Solution

The fourth proportional to 744,175.20, 1,116,408.60 and 317,710.20 is: 476,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,175.20 : 1,116,408.60 = 317,710.20 : x
  2. Step 2: Convert to fraction form
    744,175.20/1,116,408.60 = 317,710.20/x
  3. Step 3: Cross multiply
    744,175.20x = 1,116,408.60 × 317,710.20
  4. Step 4: Simplify right side
    744,175.20x = 354,694,399,587.72
  5. Step 5: Solve for x
    x = 354,694,399,587.72/744,175.20
  6. Step 6: Final answer
    x = 476,627.55

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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.