Home / 1,296,576.57-1,945,170.35-443,657.51

Finding the Fourth Proportional to 1,296,576.57, 1,945,170.35 and 443,657.51

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Solution

The fourth proportional to 1,296,576.57, 1,945,170.35 and 443,657.51 is: 665,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,576.57 : 1,945,170.35 = 443,657.51 : x
  2. Step 2: Convert to fraction form
    1,296,576.57/1,945,170.35 = 443,657.51/x
  3. Step 3: Cross multiply
    1,296,576.57x = 1,945,170.35 × 443,657.51
  4. Step 4: Simplify right side
    1,296,576.57x = 862,989,422,062.69
  5. Step 5: Solve for x
    x = 862,989,422,062.69/1,296,576.57
  6. Step 6: Final answer
    x = 665,590.79

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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.