Home / 386,730.56-580,111.60-184,222.58

Finding the Fourth Proportional to 386,730.56, 580,111.60 and 184,222.58

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Solution

The fourth proportional to 386,730.56, 580,111.60 and 184,222.58 is: 276,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,730.56 : 580,111.60 = 184,222.58 : x
  2. Step 2: Convert to fraction form
    386,730.56/580,111.60 = 184,222.58/x
  3. Step 3: Cross multiply
    386,730.56x = 580,111.60 × 184,222.58
  4. Step 4: Simplify right side
    386,730.56x = 106,869,655,639.93
  5. Step 5: Solve for x
    x = 106,869,655,639.93/386,730.56
  6. Step 6: Final answer
    x = 276,341.38

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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.