Home / 521,619.40-782,234.70-184,529.80

Finding the Fourth Proportional to 521,619.40, 782,234.70 and 184,529.80

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Solution

The fourth proportional to 521,619.40, 782,234.70 and 184,529.80 is: 276,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,619.40 : 782,234.70 = 184,529.80 : x
  2. Step 2: Convert to fraction form
    521,619.40/782,234.70 = 184,529.80/x
  3. Step 3: Cross multiply
    521,619.40x = 782,234.70 × 184,529.80
  4. Step 4: Simplify right side
    521,619.40x = 144,345,612,744.06
  5. Step 5: Solve for x
    x = 144,345,612,744.06/521,619.40
  6. Step 6: Final answer
    x = 276,725.93

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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.