Home / 394,837.11-544,873.59-213,549.24

Finding the Fourth Proportional to 394,837.11, 544,873.59 and 213,549.24

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Solution

The fourth proportional to 394,837.11, 544,873.59 and 213,549.24 is: 294,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,837.11 : 544,873.59 = 213,549.24 : x
  2. Step 2: Convert to fraction form
    394,837.11/544,873.59 = 213,549.24/x
  3. Step 3: Cross multiply
    394,837.11x = 544,873.59 × 213,549.24
  4. Step 4: Simplify right side
    394,837.11x = 116,357,341,040.57
  5. Step 5: Solve for x
    x = 116,357,341,040.57/394,837.11
  6. Step 6: Final answer
    x = 294,697.07

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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.