Home / 1,638,559.43-2,456,133.74-917,844.51

Finding the Fourth Proportional to 1,638,559.43, 2,456,133.74 and 917,844.51

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Solution

The fourth proportional to 1,638,559.43, 2,456,133.74 and 917,844.51 is: 1,375,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,559.43 : 2,456,133.74 = 917,844.51 : x
  2. Step 2: Convert to fraction form
    1,638,559.43/2,456,133.74 = 917,844.51/x
  3. Step 3: Cross multiply
    1,638,559.43x = 2,456,133.74 × 917,844.51
  4. Step 4: Simplify right side
    1,638,559.43x = 2,254,348,877,147.96
  5. Step 5: Solve for x
    x = 2,254,348,877,147.96/1,638,559.43
  6. Step 6: Final answer
    x = 1,375,811.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.