Home / 1,214,694.42-1,821,854.78-405,093.01

Finding the Fourth Proportional to 1,214,694.42, 1,821,854.78 and 405,093.01

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Solution

The fourth proportional to 1,214,694.42, 1,821,854.78 and 405,093.01 is: 607,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,694.42 : 1,821,854.78 = 405,093.01 : x
  2. Step 2: Convert to fraction form
    1,214,694.42/1,821,854.78 = 405,093.01/x
  3. Step 3: Cross multiply
    1,214,694.42x = 1,821,854.78 × 405,093.01
  4. Step 4: Simplify right side
    1,214,694.42x = 738,020,627,503.81
  5. Step 5: Solve for x
    x = 738,020,627,503.81/1,214,694.42
  6. Step 6: Final answer
    x = 607,577.20

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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.