Home / 1,289,405.99-1,933,997.59-436,459.36

Finding the Fourth Proportional to 1,289,405.99, 1,933,997.59 and 436,459.36

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Solution

The fourth proportional to 1,289,405.99, 1,933,997.59 and 436,459.36 is: 654,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,405.99 : 1,933,997.59 = 436,459.36 : x
  2. Step 2: Convert to fraction form
    1,289,405.99/1,933,997.59 = 436,459.36/x
  3. Step 3: Cross multiply
    1,289,405.99x = 1,933,997.59 × 436,459.36
  4. Step 4: Simplify right side
    1,289,405.99x = 844,111,353,921.59
  5. Step 5: Solve for x
    x = 844,111,353,921.59/1,289,405.99
  6. Step 6: Final answer
    x = 654,651.33

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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.