Home / 1,208,395.03-1,667,113.16-691,872.87

Finding the Fourth Proportional to 1,208,395.03, 1,667,113.16 and 691,872.87

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Solution

The fourth proportional to 1,208,395.03, 1,667,113.16 and 691,872.87 is: 954,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,395.03 : 1,667,113.16 = 691,872.87 : x
  2. Step 2: Convert to fraction form
    1,208,395.03/1,667,113.16 = 691,872.87/x
  3. Step 3: Cross multiply
    1,208,395.03x = 1,667,113.16 × 691,872.87
  4. Step 4: Simplify right side
    1,208,395.03x = 1,153,430,366,623.97
  5. Step 5: Solve for x
    x = 1,153,430,366,623.97/1,208,395.03
  6. Step 6: Final answer
    x = 954,514.33

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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.