Home / 407,824.88-611,867.32-171,104.00

Finding the Fourth Proportional to 407,824.88, 611,867.32 and 171,104.00

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Solution

The fourth proportional to 407,824.88, 611,867.32 and 171,104.00 is: 256,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,824.88 : 611,867.32 = 171,104.00 : x
  2. Step 2: Convert to fraction form
    407,824.88/611,867.32 = 171,104.00/x
  3. Step 3: Cross multiply
    407,824.88x = 611,867.32 × 171,104.00
  4. Step 4: Simplify right side
    407,824.88x = 104,692,942,434.18
  5. Step 5: Solve for x
    x = 104,692,942,434.18/407,824.88
  6. Step 6: Final answer
    x = 256,710.54

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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.