Home / 394,261.07-544,321.35-256,571.19

Finding the Fourth Proportional to 394,261.07, 544,321.35 and 256,571.19

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Solution

The fourth proportional to 394,261.07, 544,321.35 and 256,571.19 is: 354,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,261.07 : 544,321.35 = 256,571.19 : x
  2. Step 2: Convert to fraction form
    394,261.07/544,321.35 = 256,571.19/x
  3. Step 3: Cross multiply
    394,261.07x = 544,321.35 × 256,571.19
  4. Step 4: Simplify right side
    394,261.07x = 139,657,176,511.91
  5. Step 5: Solve for x
    x = 139,657,176,511.91/394,261.07
  6. Step 6: Final answer
    x = 354,225.13

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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.