Home / 681,019.04-1,021,173.81-254,203.88

Finding the Fourth Proportional to 681,019.04, 1,021,173.81 and 254,203.88

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Solution

The fourth proportional to 681,019.04, 1,021,173.81 and 254,203.88 is: 381,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,019.04 : 1,021,173.81 = 254,203.88 : x
  2. Step 2: Convert to fraction form
    681,019.04/1,021,173.81 = 254,203.88/x
  3. Step 3: Cross multiply
    681,019.04x = 1,021,173.81 × 254,203.88
  4. Step 4: Simplify right side
    681,019.04x = 259,586,344,656.38
  5. Step 5: Solve for x
    x = 259,586,344,656.38/681,019.04
  6. Step 6: Final answer
    x = 381,173.40

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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.