Home / 683,405.20-1,025,107.80-177,965.20

Finding the Fourth Proportional to 683,405.20, 1,025,107.80 and 177,965.20

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Solution

The fourth proportional to 683,405.20, 1,025,107.80 and 177,965.20 is: 266,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,405.20 : 1,025,107.80 = 177,965.20 : x
  2. Step 2: Convert to fraction form
    683,405.20/1,025,107.80 = 177,965.20/x
  3. Step 3: Cross multiply
    683,405.20x = 1,025,107.80 × 177,965.20
  4. Step 4: Simplify right side
    683,405.20x = 182,433,514,648.56
  5. Step 5: Solve for x
    x = 182,433,514,648.56/683,405.20
  6. Step 6: Final answer
    x = 266,947.80

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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.