Home / 1,201,084.20-1,801,627.44-491,112.24

Finding the Fourth Proportional to 1,201,084.20, 1,801,627.44 and 491,112.24

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Solution

The fourth proportional to 1,201,084.20, 1,801,627.44 and 491,112.24 is: 736,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,084.20 : 1,801,627.44 = 491,112.24 : x
  2. Step 2: Convert to fraction form
    1,201,084.20/1,801,627.44 = 491,112.24/x
  3. Step 3: Cross multiply
    1,201,084.20x = 1,801,627.44 × 491,112.24
  4. Step 4: Simplify right side
    1,201,084.20x = 884,801,287,703.87
  5. Step 5: Solve for x
    x = 884,801,287,703.87/1,201,084.20
  6. Step 6: Final answer
    x = 736,668.83

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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.