Home / 386,730.76-580,111.85-184,222.75

Finding the Fourth Proportional to 386,730.76, 580,111.85 and 184,222.75

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Solution

The fourth proportional to 386,730.76, 580,111.85 and 184,222.75 is: 276,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,730.76 : 580,111.85 = 184,222.75 : x
  2. Step 2: Convert to fraction form
    386,730.76/580,111.85 = 184,222.75/x
  3. Step 3: Cross multiply
    386,730.76x = 580,111.85 × 184,222.75
  4. Step 4: Simplify right side
    386,730.76x = 106,869,800,314.59
  5. Step 5: Solve for x
    x = 106,869,800,314.59/386,730.76
  6. Step 6: Final answer
    x = 276,341.61

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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.