Home / 1,285,556.13-1,928,057.40-526,653.45

Finding the Fourth Proportional to 1,285,556.13, 1,928,057.40 and 526,653.45

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Solution

The fourth proportional to 1,285,556.13, 1,928,057.40 and 526,653.45 is: 789,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,556.13 : 1,928,057.40 = 526,653.45 : x
  2. Step 2: Convert to fraction form
    1,285,556.13/1,928,057.40 = 526,653.45/x
  3. Step 3: Cross multiply
    1,285,556.13x = 1,928,057.40 × 526,653.45
  4. Step 4: Simplify right side
    1,285,556.13x = 1,015,418,081,508.03
  5. Step 5: Solve for x
    x = 1,015,418,081,508.03/1,285,556.13
  6. Step 6: Final answer
    x = 789,866.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.