Home / 1,212,014.58-1,672,585.19-668,138.43

Finding the Fourth Proportional to 1,212,014.58, 1,672,585.19 and 668,138.43

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Solution

The fourth proportional to 1,212,014.58, 1,672,585.19 and 668,138.43 is: 922,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,014.58 : 1,672,585.19 = 668,138.43 : x
  2. Step 2: Convert to fraction form
    1,212,014.58/1,672,585.19 = 668,138.43/x
  3. Step 3: Cross multiply
    1,212,014.58x = 1,672,585.19 × 668,138.43
  4. Step 4: Simplify right side
    1,212,014.58x = 1,117,518,452,083.15
  5. Step 5: Solve for x
    x = 1,117,518,452,083.15/1,212,014.58
  6. Step 6: Final answer
    x = 922,033.83

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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.