Home / 1,105,438.72-1,525,487.77-622,003.59

Finding the Fourth Proportional to 1,105,438.72, 1,525,487.77 and 622,003.59

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Solution

The fourth proportional to 1,105,438.72, 1,525,487.77 and 622,003.59 is: 858,355.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,438.72 : 1,525,487.77 = 622,003.59 : x
  2. Step 2: Convert to fraction form
    1,105,438.72/1,525,487.77 = 622,003.59/x
  3. Step 3: Cross multiply
    1,105,438.72x = 1,525,487.77 × 622,003.59
  4. Step 4: Simplify right side
    1,105,438.72x = 948,858,869,441.09
  5. Step 5: Solve for x
    x = 948,858,869,441.09/1,105,438.72
  6. Step 6: Final answer
    x = 858,355.02

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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.