Home / 719,109.01-1,078,383.14-269,584.84

Finding the Fourth Proportional to 719,109.01, 1,078,383.14 and 269,584.84

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Solution

The fourth proportional to 719,109.01, 1,078,383.14 and 269,584.84 is: 404,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,109.01 : 1,078,383.14 = 269,584.84 : x
  2. Step 2: Convert to fraction form
    719,109.01/1,078,383.14 = 269,584.84/x
  3. Step 3: Cross multiply
    719,109.01x = 1,078,383.14 × 269,584.84
  4. Step 4: Simplify right side
    719,109.01x = 290,715,739,515.76
  5. Step 5: Solve for x
    x = 290,715,739,515.76/719,109.01
  6. Step 6: Final answer
    x = 404,272.14

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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.