Home / 1,211,403.96-1,815,949.26-453,039.84

Finding the Fourth Proportional to 1,211,403.96, 1,815,949.26 and 453,039.84

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Solution

The fourth proportional to 1,211,403.96, 1,815,949.26 and 453,039.84 is: 679,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,403.96 : 1,815,949.26 = 453,039.84 : x
  2. Step 2: Convert to fraction form
    1,211,403.96/1,815,949.26 = 453,039.84/x
  3. Step 3: Cross multiply
    1,211,403.96x = 1,815,949.26 × 453,039.84
  4. Step 4: Simplify right side
    1,211,403.96x = 822,697,362,198.52
  5. Step 5: Solve for x
    x = 822,697,362,198.52/1,211,403.96
  6. Step 6: Final answer
    x = 679,127.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.