Home / 1,674,745.20-2,311,668.73-1,331,190.72

Finding the Fourth Proportional to 1,674,745.20, 2,311,668.73 and 1,331,190.72

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Solution

The fourth proportional to 1,674,745.20, 2,311,668.73 and 1,331,190.72 is: 1,837,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,745.20 : 2,311,668.73 = 1,331,190.72 : x
  2. Step 2: Convert to fraction form
    1,674,745.20/2,311,668.73 = 1,331,190.72/x
  3. Step 3: Cross multiply
    1,674,745.20x = 2,311,668.73 × 1,331,190.72
  4. Step 4: Simplify right side
    1,674,745.20x = 3,077,271,961,090.19
  5. Step 5: Solve for x
    x = 3,077,271,961,090.19/1,674,745.20
  6. Step 6: Final answer
    x = 1,837,456.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.