Home / 741,641.13-1,112,405.79-236,181.69

Finding the Fourth Proportional to 741,641.13, 1,112,405.79 and 236,181.69

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Solution

The fourth proportional to 741,641.13, 1,112,405.79 and 236,181.69 is: 354,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,641.13 : 1,112,405.79 = 236,181.69 : x
  2. Step 2: Convert to fraction form
    741,641.13/1,112,405.79 = 236,181.69/x
  3. Step 3: Cross multiply
    741,641.13x = 1,112,405.79 × 236,181.69
  4. Step 4: Simplify right side
    741,641.13x = 262,729,879,447.99
  5. Step 5: Solve for x
    x = 262,729,879,447.99/741,641.13
  6. Step 6: Final answer
    x = 354,254.73

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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.