Home / 1,603,764.88-2,405,356.72-644,181.77

Finding the Fourth Proportional to 1,603,764.88, 2,405,356.72 and 644,181.77

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Solution

The fourth proportional to 1,603,764.88, 2,405,356.72 and 644,181.77 is: 966,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,764.88 : 2,405,356.72 = 644,181.77 : x
  2. Step 2: Convert to fraction form
    1,603,764.88/2,405,356.72 = 644,181.77/x
  3. Step 3: Cross multiply
    1,603,764.88x = 2,405,356.72 × 644,181.77
  4. Step 4: Simplify right side
    1,603,764.88x = 1,549,486,949,370.99
  5. Step 5: Solve for x
    x = 1,549,486,949,370.99/1,603,764.88
  6. Step 6: Final answer
    x = 966,155.93

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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.