Home / 544,109.12-814,919.04-259,999.36

Finding the Fourth Proportional to 544,109.12, 814,919.04 and 259,999.36

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Solution

The fourth proportional to 544,109.12, 814,919.04 and 259,999.36 is: 389,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,109.12 : 814,919.04 = 259,999.36 : x
  2. Step 2: Convert to fraction form
    544,109.12/814,919.04 = 259,999.36/x
  3. Step 3: Cross multiply
    544,109.12x = 814,919.04 × 259,999.36
  4. Step 4: Simplify right side
    544,109.12x = 211,878,428,851.81
  5. Step 5: Solve for x
    x = 211,878,428,851.81/544,109.12
  6. Step 6: Final answer
    x = 389,404.30

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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.