Home / 1,285,759.03-1,928,768.15-339,195.19

Finding the Fourth Proportional to 1,285,759.03, 1,928,768.15 and 339,195.19

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Solution

The fourth proportional to 1,285,759.03, 1,928,768.15 and 339,195.19 is: 508,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,759.03 : 1,928,768.15 = 339,195.19 : x
  2. Step 2: Convert to fraction form
    1,285,759.03/1,928,768.15 = 339,195.19/x
  3. Step 3: Cross multiply
    1,285,759.03x = 1,928,768.15 × 339,195.19
  4. Step 4: Simplify right side
    1,285,759.03x = 654,228,877,409.22
  5. Step 5: Solve for x
    x = 654,228,877,409.22/1,285,759.03
  6. Step 6: Final answer
    x = 508,826.97

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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.