Home / 744,199.11-1,114,893.96-439,684.65

Finding the Fourth Proportional to 744,199.11, 1,114,893.96 and 439,684.65

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Solution

The fourth proportional to 744,199.11, 1,114,893.96 and 439,684.65 is: 658,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,199.11 : 1,114,893.96 = 439,684.65 : x
  2. Step 2: Convert to fraction form
    744,199.11/1,114,893.96 = 439,684.65/x
  3. Step 3: Cross multiply
    744,199.11x = 1,114,893.96 × 439,684.65
  4. Step 4: Simplify right side
    744,199.11x = 490,201,760,589.71
  5. Step 5: Solve for x
    x = 490,201,760,589.71/744,199.11
  6. Step 6: Final answer
    x = 658,697.05

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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.