Home / 746,725.20-1,120,087.80-658,078.80

Finding the Fourth Proportional to 746,725.20, 1,120,087.80 and 658,078.80

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Solution

The fourth proportional to 746,725.20, 1,120,087.80 and 658,078.80 is: 987,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,725.20 : 1,120,087.80 = 658,078.80 : x
  2. Step 2: Convert to fraction form
    746,725.20/1,120,087.80 = 658,078.80/x
  3. Step 3: Cross multiply
    746,725.20x = 1,120,087.80 × 658,078.80
  4. Step 4: Simplify right side
    746,725.20x = 737,106,035,318.64
  5. Step 5: Solve for x
    x = 737,106,035,318.64/746,725.20
  6. Step 6: Final answer
    x = 987,118.20

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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.