Home / 1,289,416.20-1,933,443.90-436,194.60

Finding the Fourth Proportional to 1,289,416.20, 1,933,443.90 and 436,194.60

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Solution

The fourth proportional to 1,289,416.20, 1,933,443.90 and 436,194.60 is: 654,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,416.20 : 1,933,443.90 = 436,194.60 : x
  2. Step 2: Convert to fraction form
    1,289,416.20/1,933,443.90 = 436,194.60/x
  3. Step 3: Cross multiply
    1,289,416.20x = 1,933,443.90 × 436,194.60
  4. Step 4: Simplify right side
    1,289,416.20x = 843,357,788,582.94
  5. Step 5: Solve for x
    x = 843,357,788,582.94/1,289,416.20
  6. Step 6: Final answer
    x = 654,061.73

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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.