Home / 1,147,806.75-1,583,986.53-657,766.56

Finding the Fourth Proportional to 1,147,806.75, 1,583,986.53 and 657,766.56

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Solution

The fourth proportional to 1,147,806.75, 1,583,986.53 and 657,766.56 is: 907,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,806.75 : 1,583,986.53 = 657,766.56 : x
  2. Step 2: Convert to fraction form
    1,147,806.75/1,583,986.53 = 657,766.56/x
  3. Step 3: Cross multiply
    1,147,806.75x = 1,583,986.53 × 657,766.56
  4. Step 4: Simplify right side
    1,147,806.75x = 1,041,893,370,924.44
  5. Step 5: Solve for x
    x = 1,041,893,370,924.44/1,147,806.75
  6. Step 6: Final answer
    x = 907,725.43

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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.