Home / 1,289,409.20-1,933,433.40-436,187.60

Finding the Fourth Proportional to 1,289,409.20, 1,933,433.40 and 436,187.60

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Solution

The fourth proportional to 1,289,409.20, 1,933,433.40 and 436,187.60 is: 654,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,409.20 : 1,933,433.40 = 436,187.60 : x
  2. Step 2: Convert to fraction form
    1,289,409.20/1,933,433.40 = 436,187.60/x
  3. Step 3: Cross multiply
    1,289,409.20x = 1,933,433.40 × 436,187.60
  4. Step 4: Simplify right side
    1,289,409.20x = 843,339,674,505.84
  5. Step 5: Solve for x
    x = 843,339,674,505.84/1,289,409.20
  6. Step 6: Final answer
    x = 654,051.23

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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.