Home / 1,412,760.76-1,949,595.66-768,181.12

Finding the Fourth Proportional to 1,412,760.76, 1,949,595.66 and 768,181.12

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Solution

The fourth proportional to 1,412,760.76, 1,949,595.66 and 768,181.12 is: 1,060,082.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,760.76 : 1,949,595.66 = 768,181.12 : x
  2. Step 2: Convert to fraction form
    1,412,760.76/1,949,595.66 = 768,181.12/x
  3. Step 3: Cross multiply
    1,412,760.76x = 1,949,595.66 × 768,181.12
  4. Step 4: Simplify right side
    1,412,760.76x = 1,497,642,577,645.94
  5. Step 5: Solve for x
    x = 1,497,642,577,645.94/1,412,760.76
  6. Step 6: Final answer
    x = 1,060,082.23

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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.