Home / 1,074,561.36-1,482,944.52-621,764.56

Finding the Fourth Proportional to 1,074,561.36, 1,482,944.52 and 621,764.56

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Solution

The fourth proportional to 1,074,561.36, 1,482,944.52 and 621,764.56 is: 858,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,561.36 : 1,482,944.52 = 621,764.56 : x
  2. Step 2: Convert to fraction form
    1,074,561.36/1,482,944.52 = 621,764.56/x
  3. Step 3: Cross multiply
    1,074,561.36x = 1,482,944.52 × 621,764.56
  4. Step 4: Simplify right side
    1,074,561.36x = 922,042,346,982.21
  5. Step 5: Solve for x
    x = 922,042,346,982.21/1,074,561.36
  6. Step 6: Final answer
    x = 858,063.93

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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.