Home / 1,623,164.44-2,240,008.52-978,625.96

Finding the Fourth Proportional to 1,623,164.44, 2,240,008.52 and 978,625.96

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Solution

The fourth proportional to 1,623,164.44, 2,240,008.52 and 978,625.96 is: 1,350,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,164.44 : 2,240,008.52 = 978,625.96 : x
  2. Step 2: Convert to fraction form
    1,623,164.44/2,240,008.52 = 978,625.96/x
  3. Step 3: Cross multiply
    1,623,164.44x = 2,240,008.52 × 978,625.96
  4. Step 4: Simplify right side
    1,623,164.44x = 2,192,130,488,293.18
  5. Step 5: Solve for x
    x = 2,192,130,488,293.18/1,623,164.44
  6. Step 6: Final answer
    x = 1,350,528.90

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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.