Home / 1,558,777-2,151,112.26-843,385

Finding the Fourth Proportional to 1,558,777, 2,151,112.26 and 843,385

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Solution

The fourth proportional to 1,558,777, 2,151,112.26 and 843,385 is: 1,163,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,777 : 2,151,112.26 = 843,385 : x
  2. Step 2: Convert to fraction form
    1,558,777/2,151,112.26 = 843,385/x
  3. Step 3: Cross multiply
    1,558,777x = 2,151,112.26 × 843,385
  4. Step 4: Simplify right side
    1,558,777x = 1,814,215,813,400.10
  5. Step 5: Solve for x
    x = 1,814,215,813,400.10/1,558,777
  6. Step 6: Final answer
    x = 1,163,871.30

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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.