Home / 746,626.40-1,119,939.60-629,986.40

Finding the Fourth Proportional to 746,626.40, 1,119,939.60 and 629,986.40

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Solution

The fourth proportional to 746,626.40, 1,119,939.60 and 629,986.40 is: 944,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,626.40 : 1,119,939.60 = 629,986.40 : x
  2. Step 2: Convert to fraction form
    746,626.40/1,119,939.60 = 629,986.40/x
  3. Step 3: Cross multiply
    746,626.40x = 1,119,939.60 × 629,986.40
  4. Step 4: Simplify right side
    746,626.40x = 705,546,716,821.44
  5. Step 5: Solve for x
    x = 705,546,716,821.44/746,626.40
  6. Step 6: Final answer
    x = 944,979.60

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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.