Home / 1,005,936.56-1,391,847.88-877,143.60

Finding the Fourth Proportional to 1,005,936.56, 1,391,847.88 and 877,143.60

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Solution

The fourth proportional to 1,005,936.56, 1,391,847.88 and 877,143.60 is: 1,213,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,936.56 : 1,391,847.88 = 877,143.60 : x
  2. Step 2: Convert to fraction form
    1,005,936.56/1,391,847.88 = 877,143.60/x
  3. Step 3: Cross multiply
    1,005,936.56x = 1,391,847.88 × 877,143.60
  4. Step 4: Simplify right side
    1,005,936.56x = 1,220,850,460,115.57
  5. Step 5: Solve for x
    x = 1,220,850,460,115.57/1,005,936.56
  6. Step 6: Final answer
    x = 1,213,645.58

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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.