Home / 386,731.07-580,112.32-184,223.06

Finding the Fourth Proportional to 386,731.07, 580,112.32 and 184,223.06

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Solution

The fourth proportional to 386,731.07, 580,112.32 and 184,223.06 is: 276,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,731.07 : 580,112.32 = 184,223.06 : x
  2. Step 2: Convert to fraction form
    386,731.07/580,112.32 = 184,223.06/x
  3. Step 3: Cross multiply
    386,731.07x = 580,112.32 × 184,223.06
  4. Step 4: Simplify right side
    386,731.07x = 106,870,066,734.10
  5. Step 5: Solve for x
    x = 106,870,066,734.10/386,731.07
  6. Step 6: Final answer
    x = 276,342.08

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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.