Home / 1,761,546.90-2,430,786.31-976,633.81

Finding the Fourth Proportional to 1,761,546.90, 2,430,786.31 and 976,633.81

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Solution

The fourth proportional to 1,761,546.90, 2,430,786.31 and 976,633.81 is: 1,347,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,546.90 : 2,430,786.31 = 976,633.81 : x
  2. Step 2: Convert to fraction form
    1,761,546.90/2,430,786.31 = 976,633.81/x
  3. Step 3: Cross multiply
    1,761,546.90x = 2,430,786.31 × 976,633.81
  4. Step 4: Simplify right side
    1,761,546.90x = 2,373,988,095,231.14
  5. Step 5: Solve for x
    x = 2,373,988,095,231.14/1,761,546.90
  6. Step 6: Final answer
    x = 1,347,672.38

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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.