Home / 505,926.04-698,178.18-279,571.54

Finding the Fourth Proportional to 505,926.04, 698,178.18 and 279,571.54

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Solution

The fourth proportional to 505,926.04, 698,178.18 and 279,571.54 is: 385,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,926.04 : 698,178.18 = 279,571.54 : x
  2. Step 2: Convert to fraction form
    505,926.04/698,178.18 = 279,571.54/x
  3. Step 3: Cross multiply
    505,926.04x = 698,178.18 × 279,571.54
  4. Step 4: Simplify right side
    505,926.04x = 195,190,748,977.00
  5. Step 5: Solve for x
    x = 195,190,748,977.00/505,926.04
  6. Step 6: Final answer
    x = 385,808.86

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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.