Home / 957,640.40-1,436,460.60-674,205.20

Finding the Fourth Proportional to 957,640.40, 1,436,460.60 and 674,205.20

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Solution

The fourth proportional to 957,640.40, 1,436,460.60 and 674,205.20 is: 1,011,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,640.40 : 1,436,460.60 = 674,205.20 : x
  2. Step 2: Convert to fraction form
    957,640.40/1,436,460.60 = 674,205.20/x
  3. Step 3: Cross multiply
    957,640.40x = 1,436,460.60 × 674,205.20
  4. Step 4: Simplify right side
    957,640.40x = 968,469,206,115.12
  5. Step 5: Solve for x
    x = 968,469,206,115.12/957,640.40
  6. Step 6: Final answer
    x = 1,011,307.80

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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.