Home / 689,247.88-1,033,921.26-183,806.21

Finding the Fourth Proportional to 689,247.88, 1,033,921.26 and 183,806.21

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Solution

The fourth proportional to 689,247.88, 1,033,921.26 and 183,806.21 is: 275,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,247.88 : 1,033,921.26 = 183,806.21 : x
  2. Step 2: Convert to fraction form
    689,247.88/1,033,921.26 = 183,806.21/x
  3. Step 3: Cross multiply
    689,247.88x = 1,033,921.26 × 183,806.21
  4. Step 4: Simplify right side
    689,247.88x = 190,041,150,823.83
  5. Step 5: Solve for x
    x = 190,041,150,823.83/689,247.88
  6. Step 6: Final answer
    x = 275,722.50

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Double scale
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Similar ratio
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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.