Home / 1,603,258.45-2,212,498.82-868,214.01

Finding the Fourth Proportional to 1,603,258.45, 2,212,498.82 and 868,214.01

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Solution

The fourth proportional to 1,603,258.45, 2,212,498.82 and 868,214.01 is: 1,198,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,258.45 : 2,212,498.82 = 868,214.01 : x
  2. Step 2: Convert to fraction form
    1,603,258.45/2,212,498.82 = 868,214.01/x
  3. Step 3: Cross multiply
    1,603,258.45x = 2,212,498.82 × 868,214.01
  4. Step 4: Simplify right side
    1,603,258.45x = 1,920,922,472,632.47
  5. Step 5: Solve for x
    x = 1,920,922,472,632.47/1,603,258.45
  6. Step 6: Final answer
    x = 1,198,136.50

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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.