Home / 1,327,947.60-1,991,662.20-441,483.60

Finding the Fourth Proportional to 1,327,947.60, 1,991,662.20 and 441,483.60

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Solution

The fourth proportional to 1,327,947.60, 1,991,662.20 and 441,483.60 is: 662,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,947.60 : 1,991,662.20 = 441,483.60 : x
  2. Step 2: Convert to fraction form
    1,327,947.60/1,991,662.20 = 441,483.60/x
  3. Step 3: Cross multiply
    1,327,947.60x = 1,991,662.20 × 441,483.60
  4. Step 4: Simplify right side
    1,327,947.60x = 879,286,198,039.92
  5. Step 5: Solve for x
    x = 879,286,198,039.92/1,327,947.60
  6. Step 6: Final answer
    x = 662,139.23

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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.