Home / 698,314.45-1,047,280.52-192,754.57

Finding the Fourth Proportional to 698,314.45, 1,047,280.52 and 192,754.57

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Solution

The fourth proportional to 698,314.45, 1,047,280.52 and 192,754.57 is: 289,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,314.45 : 1,047,280.52 = 192,754.57 : x
  2. Step 2: Convert to fraction form
    698,314.45/1,047,280.52 = 192,754.57/x
  3. Step 3: Cross multiply
    698,314.45x = 1,047,280.52 × 192,754.57
  4. Step 4: Simplify right side
    698,314.45x = 201,868,108,261.62
  5. Step 5: Solve for x
    x = 201,868,108,261.62/698,314.45
  6. Step 6: Final answer
    x = 289,079.09

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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.