Home / 1,412,848.88-1,949,709.21-768,263.43

Finding the Fourth Proportional to 1,412,848.88, 1,949,709.21 and 768,263.43

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Solution

The fourth proportional to 1,412,848.88, 1,949,709.21 and 768,263.43 is: 1,060,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,848.88 : 1,949,709.21 = 768,263.43 : x
  2. Step 2: Convert to fraction form
    1,412,848.88/1,949,709.21 = 768,263.43/x
  3. Step 3: Cross multiply
    1,412,848.88x = 1,949,709.21 × 768,263.43
  4. Step 4: Simplify right side
    1,412,848.88x = 1,497,890,285,177.19
  5. Step 5: Solve for x
    x = 1,497,890,285,177.19/1,412,848.88
  6. Step 6: Final answer
    x = 1,060,191.44

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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.