Home / 1,188,771.60-1,782,048.06-469,119.31

Finding the Fourth Proportional to 1,188,771.60, 1,782,048.06 and 469,119.31

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Solution

The fourth proportional to 1,188,771.60, 1,782,048.06 and 469,119.31 is: 703,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,771.60 : 1,782,048.06 = 469,119.31 : x
  2. Step 2: Convert to fraction form
    1,188,771.60/1,782,048.06 = 469,119.31/x
  3. Step 3: Cross multiply
    1,188,771.60x = 1,782,048.06 × 469,119.31
  4. Step 4: Simplify right side
    1,188,771.60x = 835,993,151,838.92
  5. Step 5: Solve for x
    x = 835,993,151,838.92/1,188,771.60
  6. Step 6: Final answer
    x = 703,241.19

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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.