Home / 1,195,405.22-1,649,659.82-679,160.01

Finding the Fourth Proportional to 1,195,405.22, 1,649,659.82 and 679,160.01

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Solution

The fourth proportional to 1,195,405.22, 1,649,659.82 and 679,160.01 is: 937,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,405.22 : 1,649,659.82 = 679,160.01 : x
  2. Step 2: Convert to fraction form
    1,195,405.22/1,649,659.82 = 679,160.01/x
  3. Step 3: Cross multiply
    1,195,405.22x = 1,649,659.82 × 679,160.01
  4. Step 4: Simplify right side
    1,195,405.22x = 1,120,382,979,847.80
  5. Step 5: Solve for x
    x = 1,120,382,979,847.80/1,195,405.22
  6. Step 6: Final answer
    x = 937,241.16

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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.