Home / 462,405.12-693,653.85-125,451.33

Finding the Fourth Proportional to 462,405.12, 693,653.85 and 125,451.33

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Solution

The fourth proportional to 462,405.12, 693,653.85 and 125,451.33 is: 188,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,405.12 : 693,653.85 = 125,451.33 : x
  2. Step 2: Convert to fraction form
    462,405.12/693,653.85 = 125,451.33/x
  3. Step 3: Cross multiply
    462,405.12x = 693,653.85 × 125,451.33
  4. Step 4: Simplify right side
    462,405.12x = 87,019,798,042.12
  5. Step 5: Solve for x
    x = 87,019,798,042.12/462,405.12
  6. Step 6: Final answer
    x = 188,189.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.