Home / 1,416,679.98-1,954,961.46-772,086.36

Finding the Fourth Proportional to 1,416,679.98, 1,954,961.46 and 772,086.36

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Solution

The fourth proportional to 1,416,679.98, 1,954,961.46 and 772,086.36 is: 1,065,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,679.98 : 1,954,961.46 = 772,086.36 : x
  2. Step 2: Convert to fraction form
    1,416,679.98/1,954,961.46 = 772,086.36/x
  3. Step 3: Cross multiply
    1,416,679.98x = 1,954,961.46 × 772,086.36
  4. Step 4: Simplify right side
    1,416,679.98x = 1,509,399,077,591.69
  5. Step 5: Solve for x
    x = 1,509,399,077,591.69/1,416,679.98
  6. Step 6: Final answer
    x = 1,065,448.16

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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.