Home / 789,735.05-1,184,750.24-316,457.31

Finding the Fourth Proportional to 789,735.05, 1,184,750.24 and 316,457.31

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Solution

The fourth proportional to 789,735.05, 1,184,750.24 and 316,457.31 is: 474,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,735.05 : 1,184,750.24 = 316,457.31 : x
  2. Step 2: Convert to fraction form
    789,735.05/1,184,750.24 = 316,457.31/x
  3. Step 3: Cross multiply
    789,735.05x = 1,184,750.24 × 316,457.31
  4. Step 4: Simplify right side
    789,735.05x = 374,922,876,832.78
  5. Step 5: Solve for x
    x = 374,922,876,832.78/789,735.05
  6. Step 6: Final answer
    x = 474,745.14

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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.