Home / 1,291,593.18-1,936,340-450,735.42

Finding the Fourth Proportional to 1,291,593.18, 1,936,340 and 450,735.42

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Solution

The fourth proportional to 1,291,593.18, 1,936,340 and 450,735.42 is: 675,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,593.18 : 1,936,340 = 450,735.42 : x
  2. Step 2: Convert to fraction form
    1,291,593.18/1,936,340 = 450,735.42/x
  3. Step 3: Cross multiply
    1,291,593.18x = 1,936,340 × 450,735.42
  4. Step 4: Simplify right side
    1,291,593.18x = 872,777,023,162.80
  5. Step 5: Solve for x
    x = 872,777,023,162.80/1,291,593.18
  6. Step 6: Final answer
    x = 675,736.79

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Double scale
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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.