Home / 1,149,611.06-1,586,463.69-666,456.28

Finding the Fourth Proportional to 1,149,611.06, 1,586,463.69 and 666,456.28

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Solution

The fourth proportional to 1,149,611.06, 1,586,463.69 and 666,456.28 is: 919,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,611.06 : 1,586,463.69 = 666,456.28 : x
  2. Step 2: Convert to fraction form
    1,149,611.06/1,586,463.69 = 666,456.28/x
  3. Step 3: Cross multiply
    1,149,611.06x = 1,586,463.69 × 666,456.28
  4. Step 4: Simplify right side
    1,149,611.06x = 1,057,308,685,226.31
  5. Step 5: Solve for x
    x = 1,057,308,685,226.31/1,149,611.06
  6. Step 6: Final answer
    x = 919,709.91

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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.