Home / 1,511,828.55-2,086,323.48-832,765.05

Finding the Fourth Proportional to 1,511,828.55, 2,086,323.48 and 832,765.05

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Solution

The fourth proportional to 1,511,828.55, 2,086,323.48 and 832,765.05 is: 1,149,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,828.55 : 2,086,323.48 = 832,765.05 : x
  2. Step 2: Convert to fraction form
    1,511,828.55/2,086,323.48 = 832,765.05/x
  3. Step 3: Cross multiply
    1,511,828.55x = 2,086,323.48 × 832,765.05
  4. Step 4: Simplify right side
    1,511,828.55x = 1,737,417,277,138.37
  5. Step 5: Solve for x
    x = 1,737,417,277,138.37/1,511,828.55
  6. Step 6: Final answer
    x = 1,149,215.81

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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.