Home / 645,768.85-968,317.60-190,300.33

Finding the Fourth Proportional to 645,768.85, 968,317.60 and 190,300.33

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Solution

The fourth proportional to 645,768.85, 968,317.60 and 190,300.33 is: 285,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,768.85 : 968,317.60 = 190,300.33 : x
  2. Step 2: Convert to fraction form
    645,768.85/968,317.60 = 190,300.33/x
  3. Step 3: Cross multiply
    645,768.85x = 968,317.60 × 190,300.33
  4. Step 4: Simplify right side
    645,768.85x = 184,271,158,824.81
  5. Step 5: Solve for x
    x = 184,271,158,824.81/645,768.85
  6. Step 6: Final answer
    x = 285,351.58

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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.