Home / 698,147.63-1,047,200.59-192,739.45

Finding the Fourth Proportional to 698,147.63, 1,047,200.59 and 192,739.45

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Solution

The fourth proportional to 698,147.63, 1,047,200.59 and 192,739.45 is: 289,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,147.63 : 1,047,200.59 = 192,739.45 : x
  2. Step 2: Convert to fraction form
    698,147.63/1,047,200.59 = 192,739.45/x
  3. Step 3: Cross multiply
    698,147.63x = 1,047,200.59 × 192,739.45
  4. Step 4: Simplify right side
    698,147.63x = 201,836,861,466.90
  5. Step 5: Solve for x
    x = 201,836,861,466.90/698,147.63
  6. Step 6: Final answer
    x = 289,103.41

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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.