Home / 394,600.56-544,548.06-213,312.60

Finding the Fourth Proportional to 394,600.56, 544,548.06 and 213,312.60

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Solution

The fourth proportional to 394,600.56, 544,548.06 and 213,312.60 is: 294,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,600.56 : 544,548.06 = 213,312.60 : x
  2. Step 2: Convert to fraction form
    394,600.56/544,548.06 = 213,312.60/x
  3. Step 3: Cross multiply
    394,600.56x = 544,548.06 × 213,312.60
  4. Step 4: Simplify right side
    394,600.56x = 116,158,962,503.56
  5. Step 5: Solve for x
    x = 116,158,962,503.56/394,600.56
  6. Step 6: Final answer
    x = 294,371.00

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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.