Home / 1,168,840.20-1,613,268-685,561.05

Finding the Fourth Proportional to 1,168,840.20, 1,613,268 and 685,561.05

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Solution

The fourth proportional to 1,168,840.20, 1,613,268 and 685,561.05 is: 946,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,840.20 : 1,613,268 = 685,561.05 : x
  2. Step 2: Convert to fraction form
    1,168,840.20/1,613,268 = 685,561.05/x
  3. Step 3: Cross multiply
    1,168,840.20x = 1,613,268 × 685,561.05
  4. Step 4: Simplify right side
    1,168,840.20x = 1,105,993,704,011.40
  5. Step 5: Solve for x
    x = 1,105,993,704,011.40/1,168,840.20
  6. Step 6: Final answer
    x = 946,231.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.