Home / 741,680.80-1,112,521.20-733,807.60

Finding the Fourth Proportional to 741,680.80, 1,112,521.20 and 733,807.60

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Solution

The fourth proportional to 741,680.80, 1,112,521.20 and 733,807.60 is: 1,100,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,680.80 : 1,112,521.20 = 733,807.60 : x
  2. Step 2: Convert to fraction form
    741,680.80/1,112,521.20 = 733,807.60/x
  3. Step 3: Cross multiply
    741,680.80x = 1,112,521.20 × 733,807.60
  4. Step 4: Simplify right side
    741,680.80x = 816,376,511,721.12
  5. Step 5: Solve for x
    x = 816,376,511,721.12/741,680.80
  6. Step 6: Final answer
    x = 1,100,711.40

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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.