Home / 320,584.88-442,440-184,623.92

Finding the Fourth Proportional to 320,584.88, 442,440 and 184,623.92

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Solution

The fourth proportional to 320,584.88, 442,440 and 184,623.92 is: 254,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,584.88 : 442,440 = 184,623.92 : x
  2. Step 2: Convert to fraction form
    320,584.88/442,440 = 184,623.92/x
  3. Step 3: Cross multiply
    320,584.88x = 442,440 × 184,623.92
  4. Step 4: Simplify right side
    320,584.88x = 81,685,007,164.80
  5. Step 5: Solve for x
    x = 81,685,007,164.80/320,584.88
  6. Step 6: Final answer
    x = 254,799.94

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1.5x scale

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.