Home / 469,986.11-646,086.93-404,335.11

Finding the Fourth Proportional to 469,986.11, 646,086.93 and 404,335.11

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Solution

The fourth proportional to 469,986.11, 646,086.93 and 404,335.11 is: 555,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,986.11 : 646,086.93 = 404,335.11 : x
  2. Step 2: Convert to fraction form
    469,986.11/646,086.93 = 404,335.11/x
  3. Step 3: Cross multiply
    469,986.11x = 646,086.93 × 404,335.11
  4. Step 4: Simplify right side
    469,986.11x = 261,235,629,911.11
  5. Step 5: Solve for x
    x = 261,235,629,911.11/469,986.11
  6. Step 6: Final answer
    x = 555,836.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.