Home / 1,412,933.33-1,949,861.88-768,367.53

Finding the Fourth Proportional to 1,412,933.33, 1,949,861.88 and 768,367.53

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Solution

The fourth proportional to 1,412,933.33, 1,949,861.88 and 768,367.53 is: 1,060,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,933.33 : 1,949,861.88 = 768,367.53 : x
  2. Step 2: Convert to fraction form
    1,412,933.33/1,949,861.88 = 768,367.53/x
  3. Step 3: Cross multiply
    1,412,933.33x = 1,949,861.88 × 768,367.53
  4. Step 4: Simplify right side
    1,412,933.33x = 1,498,210,556,576.76
  5. Step 5: Solve for x
    x = 1,498,210,556,576.76/1,412,933.33
  6. Step 6: Final answer
    x = 1,060,354.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.