Home / 1,106,759.80-1,660,139.70-396,859.60

Finding the Fourth Proportional to 1,106,759.80, 1,660,139.70 and 396,859.60

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Solution

The fourth proportional to 1,106,759.80, 1,660,139.70 and 396,859.60 is: 595,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,759.80 : 1,660,139.70 = 396,859.60 : x
  2. Step 2: Convert to fraction form
    1,106,759.80/1,660,139.70 = 396,859.60/x
  3. Step 3: Cross multiply
    1,106,759.80x = 1,660,139.70 × 396,859.60
  4. Step 4: Simplify right side
    1,106,759.80x = 658,842,377,286.12
  5. Step 5: Solve for x
    x = 658,842,377,286.12/1,106,759.80
  6. Step 6: Final answer
    x = 595,289.40

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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.