Home / 741,790.89-1,112,893.70-243,504.81

Finding the Fourth Proportional to 741,790.89, 1,112,893.70 and 243,504.81

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Solution

The fourth proportional to 741,790.89, 1,112,893.70 and 243,504.81 is: 365,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,790.89 : 1,112,893.70 = 243,504.81 : x
  2. Step 2: Convert to fraction form
    741,790.89/1,112,893.70 = 243,504.81/x
  3. Step 3: Cross multiply
    741,790.89x = 1,112,893.70 × 243,504.81
  4. Step 4: Simplify right side
    741,790.89x = 270,994,967,751.17
  5. Step 5: Solve for x
    x = 270,994,967,751.17/741,790.89
  6. Step 6: Final answer
    x = 365,325.28

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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.