Home / 1,147,806.61-1,584,146.33-664,687.37

Finding the Fourth Proportional to 1,147,806.61, 1,584,146.33 and 664,687.37

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Solution

The fourth proportional to 1,147,806.61, 1,584,146.33 and 664,687.37 is: 917,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,806.61 : 1,584,146.33 = 664,687.37 : x
  2. Step 2: Convert to fraction form
    1,147,806.61/1,584,146.33 = 664,687.37/x
  3. Step 3: Cross multiply
    1,147,806.61x = 1,584,146.33 × 664,687.37
  4. Step 4: Simplify right side
    1,147,806.61x = 1,052,962,060,912.36
  5. Step 5: Solve for x
    x = 1,052,962,060,912.36/1,147,806.61
  6. Step 6: Final answer
    x = 917,368.88

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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.