Home / 1,223,993.46-1,689,077.41-680,115.29

Finding the Fourth Proportional to 1,223,993.46, 1,689,077.41 and 680,115.29

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Solution

The fourth proportional to 1,223,993.46, 1,689,077.41 and 680,115.29 is: 938,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,993.46 : 1,689,077.41 = 680,115.29 : x
  2. Step 2: Convert to fraction form
    1,223,993.46/1,689,077.41 = 680,115.29/x
  3. Step 3: Cross multiply
    1,223,993.46x = 1,689,077.41 × 680,115.29
  4. Step 4: Simplify right side
    1,223,993.46x = 1,148,767,362,388.92
  5. Step 5: Solve for x
    x = 1,148,767,362,388.92/1,223,993.46
  6. Step 6: Final answer
    x = 938,540.44

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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.