Home / 793,492.72-1,189,863.84-307,402.56

Finding the Fourth Proportional to 793,492.72, 1,189,863.84 and 307,402.56

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Solution

The fourth proportional to 793,492.72, 1,189,863.84 and 307,402.56 is: 460,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,492.72 : 1,189,863.84 = 307,402.56 : x
  2. Step 2: Convert to fraction form
    793,492.72/1,189,863.84 = 307,402.56/x
  3. Step 3: Cross multiply
    793,492.72x = 1,189,863.84 × 307,402.56
  4. Step 4: Simplify right side
    793,492.72x = 365,767,190,467.43
  5. Step 5: Solve for x
    x = 365,767,190,467.43/793,492.72
  6. Step 6: Final answer
    x = 460,958.47

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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.