Home / 1,149,610.80-1,586,463.34-666,456.03

Finding the Fourth Proportional to 1,149,610.80, 1,586,463.34 and 666,456.03

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Solution

The fourth proportional to 1,149,610.80, 1,586,463.34 and 666,456.03 is: 919,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,610.80 : 1,586,463.34 = 666,456.03 : x
  2. Step 2: Convert to fraction form
    1,149,610.80/1,586,463.34 = 666,456.03/x
  3. Step 3: Cross multiply
    1,149,610.80x = 1,586,463.34 × 666,456.03
  4. Step 4: Simplify right side
    1,149,610.80x = 1,057,308,059,316.94
  5. Step 5: Solve for x
    x = 1,057,308,059,316.94/1,149,610.80
  6. Step 6: Final answer
    x = 919,709.57

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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.