Home / 489,844.27-734,774.19-186,243.05

Finding the Fourth Proportional to 489,844.27, 734,774.19 and 186,243.05

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Solution

The fourth proportional to 489,844.27, 734,774.19 and 186,243.05 is: 279,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,844.27 : 734,774.19 = 186,243.05 : x
  2. Step 2: Convert to fraction form
    489,844.27/734,774.19 = 186,243.05/x
  3. Step 3: Cross multiply
    489,844.27x = 734,774.19 × 186,243.05
  4. Step 4: Simplify right side
    489,844.27x = 136,846,586,206.88
  5. Step 5: Solve for x
    x = 136,846,586,206.88/489,844.27
  6. Step 6: Final answer
    x = 279,367.53

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1.5x scale

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.