Home / 394,664.42-544,273.47-258,648.81

Finding the Fourth Proportional to 394,664.42, 544,273.47 and 258,648.81

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Solution

The fourth proportional to 394,664.42, 544,273.47 and 258,648.81 is: 356,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,664.42 : 544,273.47 = 258,648.81 : x
  2. Step 2: Convert to fraction form
    394,664.42/544,273.47 = 258,648.81/x
  3. Step 3: Cross multiply
    394,664.42x = 544,273.47 × 258,648.81
  4. Step 4: Simplify right side
    394,664.42x = 140,775,685,330.07
  5. Step 5: Solve for x
    x = 140,775,685,330.07/394,664.42
  6. Step 6: Final answer
    x = 356,697.18

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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.