Home / 1,603,852.47-2,213,318.12-868,808.45

Finding the Fourth Proportional to 1,603,852.47, 2,213,318.12 and 868,808.45

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Solution

The fourth proportional to 1,603,852.47, 2,213,318.12 and 868,808.45 is: 1,198,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,852.47 : 2,213,318.12 = 868,808.45 : x
  2. Step 2: Convert to fraction form
    1,603,852.47/2,213,318.12 = 868,808.45/x
  3. Step 3: Cross multiply
    1,603,852.47x = 2,213,318.12 × 868,808.45
  4. Step 4: Simplify right side
    1,603,852.47x = 1,922,949,486,383.37
  5. Step 5: Solve for x
    x = 1,922,949,486,383.37/1,603,852.47
  6. Step 6: Final answer
    x = 1,198,956.59

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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.