Home / 1,825,917.21-2,738,876.90-688,370.49

Finding the Fourth Proportional to 1,825,917.21, 2,738,876.90 and 688,370.49

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Solution

The fourth proportional to 1,825,917.21, 2,738,876.90 and 688,370.49 is: 1,032,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,917.21 : 2,738,876.90 = 688,370.49 : x
  2. Step 2: Convert to fraction form
    1,825,917.21/2,738,876.90 = 688,370.49/x
  3. Step 3: Cross multiply
    1,825,917.21x = 2,738,876.90 × 688,370.49
  4. Step 4: Simplify right side
    1,825,917.21x = 1,885,362,030,260.83
  5. Step 5: Solve for x
    x = 1,885,362,030,260.83/1,825,917.21
  6. Step 6: Final answer
    x = 1,032,556.14

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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.