Home / 1,066,266.51-1,599,399.78-426,858.11

Finding the Fourth Proportional to 1,066,266.51, 1,599,399.78 and 426,858.11

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Solution

The fourth proportional to 1,066,266.51, 1,599,399.78 and 426,858.11 is: 640,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,266.51 : 1,599,399.78 = 426,858.11 : x
  2. Step 2: Convert to fraction form
    1,066,266.51/1,599,399.78 = 426,858.11/x
  3. Step 3: Cross multiply
    1,066,266.51x = 1,599,399.78 × 426,858.11
  4. Step 4: Simplify right side
    1,066,266.51x = 682,716,759,228.22
  5. Step 5: Solve for x
    x = 682,716,759,228.22/1,066,266.51
  6. Step 6: Final answer
    x = 640,287.16

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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.