Home / 1,603,803.96-2,405,415.24-644,220.90

Finding the Fourth Proportional to 1,603,803.96, 2,405,415.24 and 644,220.90

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Solution

The fourth proportional to 1,603,803.96, 2,405,415.24 and 644,220.90 is: 966,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,803.96 : 2,405,415.24 = 644,220.90 : x
  2. Step 2: Convert to fraction form
    1,603,803.96/2,405,415.24 = 644,220.90/x
  3. Step 3: Cross multiply
    1,603,803.96x = 2,405,415.24 × 644,220.90
  4. Step 4: Simplify right side
    1,603,803.96x = 1,549,618,770,786.52
  5. Step 5: Solve for x
    x = 1,549,618,770,786.52/1,603,803.96
  6. Step 6: Final answer
    x = 966,214.58

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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.