Home / 1,603,723.22-2,213,137.86-959,143.31

Finding the Fourth Proportional to 1,603,723.22, 2,213,137.86 and 959,143.31

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Solution

The fourth proportional to 1,603,723.22, 2,213,137.86 and 959,143.31 is: 1,323,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,723.22 : 2,213,137.86 = 959,143.31 : x
  2. Step 2: Convert to fraction form
    1,603,723.22/2,213,137.86 = 959,143.31/x
  3. Step 3: Cross multiply
    1,603,723.22x = 2,213,137.86 × 959,143.31
  4. Step 4: Simplify right side
    1,603,723.22x = 2,122,716,372,526.72
  5. Step 5: Solve for x
    x = 2,122,716,372,526.72/1,603,723.22
  6. Step 6: Final answer
    x = 1,323,617.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.