Home / 683,976.80-1,025,964.12-185,340.80

Finding the Fourth Proportional to 683,976.80, 1,025,964.12 and 185,340.80

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Solution

The fourth proportional to 683,976.80, 1,025,964.12 and 185,340.80 is: 278,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,976.80 : 1,025,964.12 = 185,340.80 : x
  2. Step 2: Convert to fraction form
    683,976.80/1,025,964.12 = 185,340.80/x
  3. Step 3: Cross multiply
    683,976.80x = 1,025,964.12 × 185,340.80
  4. Step 4: Simplify right side
    683,976.80x = 190,153,010,772.10
  5. Step 5: Solve for x
    x = 190,153,010,772.10/683,976.80
  6. Step 6: Final answer
    x = 278,010.91

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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.