Home / 1,153,376.44-1,591,662.90-644,098.12

Finding the Fourth Proportional to 1,153,376.44, 1,591,662.90 and 644,098.12

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Solution

The fourth proportional to 1,153,376.44, 1,591,662.90 and 644,098.12 is: 888,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,376.44 : 1,591,662.90 = 644,098.12 : x
  2. Step 2: Convert to fraction form
    1,153,376.44/1,591,662.90 = 644,098.12/x
  3. Step 3: Cross multiply
    1,153,376.44x = 1,591,662.90 × 644,098.12
  4. Step 4: Simplify right side
    1,153,376.44x = 1,025,187,081,563.75
  5. Step 5: Solve for x
    x = 1,025,187,081,563.75/1,153,376.44
  6. Step 6: Final answer
    x = 888,857.31

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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.