Home / 1,328,601.70-1,993,194.15-655,005.70

Finding the Fourth Proportional to 1,328,601.70, 1,993,194.15 and 655,005.70

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Solution

The fourth proportional to 1,328,601.70, 1,993,194.15 and 655,005.70 is: 982,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,601.70 : 1,993,194.15 = 655,005.70 : x
  2. Step 2: Convert to fraction form
    1,328,601.70/1,993,194.15 = 655,005.70/x
  3. Step 3: Cross multiply
    1,328,601.70x = 1,993,194.15 × 655,005.70
  4. Step 4: Simplify right side
    1,328,601.70x = 1,305,553,529,456.65
  5. Step 5: Solve for x
    x = 1,305,553,529,456.65/1,328,601.70
  6. Step 6: Final answer
    x = 982,652.31

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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.