Home / 1,135,945.64-1,567,579.75-626,647.88

Finding the Fourth Proportional to 1,135,945.64, 1,567,579.75 and 626,647.88

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Solution

The fourth proportional to 1,135,945.64, 1,567,579.75 and 626,647.88 is: 864,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,945.64 : 1,567,579.75 = 626,647.88 : x
  2. Step 2: Convert to fraction form
    1,135,945.64/1,567,579.75 = 626,647.88/x
  3. Step 3: Cross multiply
    1,135,945.64x = 1,567,579.75 × 626,647.88
  4. Step 4: Simplify right side
    1,135,945.64x = 982,320,517,663.91
  5. Step 5: Solve for x
    x = 982,320,517,663.91/1,135,945.64
  6. Step 6: Final answer
    x = 864,760.15

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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.