Home / 396,405.11-547,033.14-233,080.07

Finding the Fourth Proportional to 396,405.11, 547,033.14 and 233,080.07

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Solution

The fourth proportional to 396,405.11, 547,033.14 and 233,080.07 is: 321,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,405.11 : 547,033.14 = 233,080.07 : x
  2. Step 2: Convert to fraction form
    396,405.11/547,033.14 = 233,080.07/x
  3. Step 3: Cross multiply
    396,405.11x = 547,033.14 × 233,080.07
  4. Step 4: Simplify right side
    396,405.11x = 127,502,522,563.52
  5. Step 5: Solve for x
    x = 127,502,522,563.52/396,405.11
  6. Step 6: Final answer
    x = 321,647.02

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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.