Home / 1,205,071.56-1,806,409.88-604,198.78

Finding the Fourth Proportional to 1,205,071.56, 1,806,409.88 and 604,198.78

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Solution

The fourth proportional to 1,205,071.56, 1,806,409.88 and 604,198.78 is: 905,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,071.56 : 1,806,409.88 = 604,198.78 : x
  2. Step 2: Convert to fraction form
    1,205,071.56/1,806,409.88 = 604,198.78/x
  3. Step 3: Cross multiply
    1,205,071.56x = 1,806,409.88 × 604,198.78
  4. Step 4: Simplify right side
    1,205,071.56x = 1,091,430,647,190.31
  5. Step 5: Solve for x
    x = 1,091,430,647,190.31/1,205,071.56
  6. Step 6: Final answer
    x = 905,697.79

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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.