Home / 1,093,659.36-1,640,479.20-345,705.60

Finding the Fourth Proportional to 1,093,659.36, 1,640,479.20 and 345,705.60

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Solution

The fourth proportional to 1,093,659.36, 1,640,479.20 and 345,705.60 is: 518,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,659.36 : 1,640,479.20 = 345,705.60 : x
  2. Step 2: Convert to fraction form
    1,093,659.36/1,640,479.20 = 345,705.60/x
  3. Step 3: Cross multiply
    1,093,659.36x = 1,640,479.20 × 345,705.60
  4. Step 4: Simplify right side
    1,093,659.36x = 567,122,846,123.52
  5. Step 5: Solve for x
    x = 567,122,846,123.52/1,093,659.36
  6. Step 6: Final answer
    x = 518,555.29

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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.