Home / 787,372.03-1,181,245.16-254,892.81

Finding the Fourth Proportional to 787,372.03, 1,181,245.16 and 254,892.81

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Solution

The fourth proportional to 787,372.03, 1,181,245.16 and 254,892.81 is: 382,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,372.03 : 1,181,245.16 = 254,892.81 : x
  2. Step 2: Convert to fraction form
    787,372.03/1,181,245.16 = 254,892.81/x
  3. Step 3: Cross multiply
    787,372.03x = 1,181,245.16 × 254,892.81
  4. Step 4: Simplify right side
    787,372.03x = 301,090,898,131.30
  5. Step 5: Solve for x
    x = 301,090,898,131.30/787,372.03
  6. Step 6: Final answer
    x = 382,399.79

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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.