Home / 511,991.28-706,546.80-297,257.04

Finding the Fourth Proportional to 511,991.28, 706,546.80 and 297,257.04

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Solution

The fourth proportional to 511,991.28, 706,546.80 and 297,257.04 is: 410,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,991.28 : 706,546.80 = 297,257.04 : x
  2. Step 2: Convert to fraction form
    511,991.28/706,546.80 = 297,257.04/x
  3. Step 3: Cross multiply
    511,991.28x = 706,546.80 × 297,257.04
  4. Step 4: Simplify right side
    511,991.28x = 210,026,010,389.47
  5. Step 5: Solve for x
    x = 210,026,010,389.47/511,991.28
  6. Step 6: Final answer
    x = 410,214.04

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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.