Home / 1,118,620.92-1,543,653.32-683,766.35

Finding the Fourth Proportional to 1,118,620.92, 1,543,653.32 and 683,766.35

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Solution

The fourth proportional to 1,118,620.92, 1,543,653.32 and 683,766.35 is: 943,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,620.92 : 1,543,653.32 = 683,766.35 : x
  2. Step 2: Convert to fraction form
    1,118,620.92/1,543,653.32 = 683,766.35/x
  3. Step 3: Cross multiply
    1,118,620.92x = 1,543,653.32 × 683,766.35
  4. Step 4: Simplify right side
    1,118,620.92x = 1,055,498,185,144.68
  5. Step 5: Solve for x
    x = 1,055,498,185,144.68/1,118,620.92
  6. Step 6: Final answer
    x = 943,570.93

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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.