Home / 741,763.73-1,112,784.11-336,984.36

Finding the Fourth Proportional to 741,763.73, 1,112,784.11 and 336,984.36

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Solution

The fourth proportional to 741,763.73, 1,112,784.11 and 336,984.36 is: 505,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,763.73 : 1,112,784.11 = 336,984.36 : x
  2. Step 2: Convert to fraction form
    741,763.73/1,112,784.11 = 336,984.36/x
  3. Step 3: Cross multiply
    741,763.73x = 1,112,784.11 × 336,984.36
  4. Step 4: Simplify right side
    741,763.73x = 374,990,841,126.52
  5. Step 5: Solve for x
    x = 374,990,841,126.52/741,763.73
  6. Step 6: Final answer
    x = 505,539.47

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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.