Home / 789,383.25-1,184,064.30-190,339.65

Finding the Fourth Proportional to 789,383.25, 1,184,064.30 and 190,339.65

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Solution

The fourth proportional to 789,383.25, 1,184,064.30 and 190,339.65 is: 285,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,383.25 : 1,184,064.30 = 190,339.65 : x
  2. Step 2: Convert to fraction form
    789,383.25/1,184,064.30 = 190,339.65/x
  3. Step 3: Cross multiply
    789,383.25x = 1,184,064.30 × 190,339.65
  4. Step 4: Simplify right side
    789,383.25x = 225,374,384,439.50
  5. Step 5: Solve for x
    x = 225,374,384,439.50/789,383.25
  6. Step 6: Final answer
    x = 285,506.93

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Double scale
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1.5x scale

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.