Home / 698,143.56-1,047,275.46-192,704.63

Finding the Fourth Proportional to 698,143.56, 1,047,275.46 and 192,704.63

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Solution

The fourth proportional to 698,143.56, 1,047,275.46 and 192,704.63 is: 289,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,143.56 : 1,047,275.46 = 192,704.63 : x
  2. Step 2: Convert to fraction form
    698,143.56/1,047,275.46 = 192,704.63/x
  3. Step 3: Cross multiply
    698,143.56x = 1,047,275.46 × 192,704.63
  4. Step 4: Simplify right side
    698,143.56x = 201,814,828,549.45
  5. Step 5: Solve for x
    x = 201,814,828,549.45/698,143.56
  6. Step 6: Final answer
    x = 289,073.54

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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.