Home / 1,201,649.88-1,658,163.42-718,118.76

Finding the Fourth Proportional to 1,201,649.88, 1,658,163.42 and 718,118.76

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Solution

The fourth proportional to 1,201,649.88, 1,658,163.42 and 718,118.76 is: 990,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,649.88 : 1,658,163.42 = 718,118.76 : x
  2. Step 2: Convert to fraction form
    1,201,649.88/1,658,163.42 = 718,118.76/x
  3. Step 3: Cross multiply
    1,201,649.88x = 1,658,163.42 × 718,118.76
  4. Step 4: Simplify right side
    1,201,649.88x = 1,190,758,259,047.76
  5. Step 5: Solve for x
    x = 1,190,758,259,047.76/1,201,649.88
  6. Step 6: Final answer
    x = 990,936.11

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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.