Home / 741,825.70-1,112,582.84-209,222.16

Finding the Fourth Proportional to 741,825.70, 1,112,582.84 and 209,222.16

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Solution

The fourth proportional to 741,825.70, 1,112,582.84 and 209,222.16 is: 313,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,825.70 : 1,112,582.84 = 209,222.16 : x
  2. Step 2: Convert to fraction form
    741,825.70/1,112,582.84 = 209,222.16/x
  3. Step 3: Cross multiply
    741,825.70x = 1,112,582.84 × 209,222.16
  4. Step 4: Simplify right side
    741,825.70x = 232,776,984,963.73
  5. Step 5: Solve for x
    x = 232,776,984,963.73/741,825.70
  6. Step 6: Final answer
    x = 313,789.32

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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.