Home / 1,093,816.80-1,640,725.20-345,862.80

Finding the Fourth Proportional to 1,093,816.80, 1,640,725.20 and 345,862.80

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Solution

The fourth proportional to 1,093,816.80, 1,640,725.20 and 345,862.80 is: 518,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,816.80 : 1,640,725.20 = 345,862.80 : x
  2. Step 2: Convert to fraction form
    1,093,816.80/1,640,725.20 = 345,862.80/x
  3. Step 3: Cross multiply
    1,093,816.80x = 1,640,725.20 × 345,862.80
  4. Step 4: Simplify right side
    1,093,816.80x = 567,465,811,702.56
  5. Step 5: Solve for x
    x = 567,465,811,702.56/1,093,816.80
  6. Step 6: Final answer
    x = 518,794.20

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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.