Home / 668,351.56-1,002,586.28-188,583.57

Finding the Fourth Proportional to 668,351.56, 1,002,586.28 and 188,583.57

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Solution

The fourth proportional to 668,351.56, 1,002,586.28 and 188,583.57 is: 282,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,351.56 : 1,002,586.28 = 188,583.57 : x
  2. Step 2: Convert to fraction form
    668,351.56/1,002,586.28 = 188,583.57/x
  3. Step 3: Cross multiply
    668,351.56x = 1,002,586.28 × 188,583.57
  4. Step 4: Simplify right side
    668,351.56x = 189,071,299,915.42
  5. Step 5: Solve for x
    x = 189,071,299,915.42/668,351.56
  6. Step 6: Final answer
    x = 282,891.99

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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.