Home / 394,411.09-544,330.56-228,875.53

Finding the Fourth Proportional to 394,411.09, 544,330.56 and 228,875.53

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Solution

The fourth proportional to 394,411.09, 544,330.56 and 228,875.53 is: 315,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,411.09 : 544,330.56 = 228,875.53 : x
  2. Step 2: Convert to fraction form
    394,411.09/544,330.56 = 228,875.53/x
  3. Step 3: Cross multiply
    394,411.09x = 544,330.56 × 228,875.53
  4. Step 4: Simplify right side
    394,411.09x = 124,583,945,415.20
  5. Step 5: Solve for x
    x = 124,583,945,415.20/394,411.09
  6. Step 6: Final answer
    x = 315,873.33

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1.5x scale

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.