Home / 1,290,199.86-1,934,021.42-605,861.64

Finding the Fourth Proportional to 1,290,199.86, 1,934,021.42 and 605,861.64

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Solution

The fourth proportional to 1,290,199.86, 1,934,021.42 and 605,861.64 is: 908,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,199.86 : 1,934,021.42 = 605,861.64 : x
  2. Step 2: Convert to fraction form
    1,290,199.86/1,934,021.42 = 605,861.64/x
  3. Step 3: Cross multiply
    1,290,199.86x = 1,934,021.42 × 605,861.64
  4. Step 4: Simplify right side
    1,290,199.86x = 1,171,749,386,287.02
  5. Step 5: Solve for x
    x = 1,171,749,386,287.02/1,290,199.86
  6. Step 6: Final answer
    x = 908,192.15

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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.