Home / 1,131,577.45-1,561,529.34-641,579.94

Finding the Fourth Proportional to 1,131,577.45, 1,561,529.34 and 641,579.94

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Solution

The fourth proportional to 1,131,577.45, 1,561,529.34 and 641,579.94 is: 885,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,577.45 : 1,561,529.34 = 641,579.94 : x
  2. Step 2: Convert to fraction form
    1,131,577.45/1,561,529.34 = 641,579.94/x
  3. Step 3: Cross multiply
    1,131,577.45x = 1,561,529.34 × 641,579.94
  4. Step 4: Simplify right side
    1,131,577.45x = 1,001,845,900,265.44
  5. Step 5: Solve for x
    x = 1,001,845,900,265.44/1,131,577.45
  6. Step 6: Final answer
    x = 885,353.36

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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.