Home / 628,905.96-943,514.46-208,224.36

Finding the Fourth Proportional to 628,905.96, 943,514.46 and 208,224.36

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Solution

The fourth proportional to 628,905.96, 943,514.46 and 208,224.36 is: 312,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,905.96 : 943,514.46 = 208,224.36 : x
  2. Step 2: Convert to fraction form
    628,905.96/943,514.46 = 208,224.36/x
  3. Step 3: Cross multiply
    628,905.96x = 943,514.46 × 208,224.36
  4. Step 4: Simplify right side
    628,905.96x = 196,462,694,584.25
  5. Step 5: Solve for x
    x = 196,462,694,584.25/628,905.96
  6. Step 6: Final answer
    x = 312,388.03

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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.