Home / 1,412,708.54-1,949,562.15-768,133.09

Finding the Fourth Proportional to 1,412,708.54, 1,949,562.15 and 768,133.09

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Solution

The fourth proportional to 1,412,708.54, 1,949,562.15 and 768,133.09 is: 1,060,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,708.54 : 1,949,562.15 = 768,133.09 : x
  2. Step 2: Convert to fraction form
    1,412,708.54/1,949,562.15 = 768,133.09/x
  3. Step 3: Cross multiply
    1,412,708.54x = 1,949,562.15 × 768,133.09
  4. Step 4: Simplify right side
    1,412,708.54x = 1,497,523,188,678.73
  5. Step 5: Solve for x
    x = 1,497,523,188,678.73/1,412,708.54
  6. Step 6: Final answer
    x = 1,060,036.91

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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.