Home / 1,558,736-2,151,055.68-843,344

Finding the Fourth Proportional to 1,558,736, 2,151,055.68 and 843,344

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Solution

The fourth proportional to 1,558,736, 2,151,055.68 and 843,344 is: 1,163,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,736 : 2,151,055.68 = 843,344 : x
  2. Step 2: Convert to fraction form
    1,558,736/2,151,055.68 = 843,344/x
  3. Step 3: Cross multiply
    1,558,736x = 2,151,055.68 × 843,344
  4. Step 4: Simplify right side
    1,558,736x = 1,814,079,901,393.92
  5. Step 5: Solve for x
    x = 1,814,079,901,393.92/1,558,736
  6. Step 6: Final answer
    x = 1,163,814.72

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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.