Home / 1,603,119.32-2,212,308.08-868,081.68

Finding the Fourth Proportional to 1,603,119.32, 2,212,308.08 and 868,081.68

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Solution

The fourth proportional to 1,603,119.32, 2,212,308.08 and 868,081.68 is: 1,197,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,119.32 : 2,212,308.08 = 868,081.68 : x
  2. Step 2: Convert to fraction form
    1,603,119.32/2,212,308.08 = 868,081.68/x
  3. Step 3: Cross multiply
    1,603,119.32x = 2,212,308.08 × 868,081.68
  4. Step 4: Simplify right side
    1,603,119.32x = 1,920,464,114,763.97
  5. Step 5: Solve for x
    x = 1,920,464,114,763.97/1,603,119.32
  6. Step 6: Final answer
    x = 1,197,954.57

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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.