Home / 1,603,896.25-2,405,849.33-405,818.35

Finding the Fourth Proportional to 1,603,896.25, 2,405,849.33 and 405,818.35

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Solution

The fourth proportional to 1,603,896.25, 2,405,849.33 and 405,818.35 is: 608,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,896.25 : 2,405,849.33 = 405,818.35 : x
  2. Step 2: Convert to fraction form
    1,603,896.25/2,405,849.33 = 405,818.35/x
  3. Step 3: Cross multiply
    1,603,896.25x = 2,405,849.33 × 405,818.35
  4. Step 4: Simplify right side
    1,603,896.25x = 976,337,813,411.33
  5. Step 5: Solve for x
    x = 976,337,813,411.33/1,603,896.25
  6. Step 6: Final answer
    x = 608,728.78

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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.