Home / 451,421.04-622,531.26-270,104.16

Finding the Fourth Proportional to 451,421.04, 622,531.26 and 270,104.16

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Solution

The fourth proportional to 451,421.04, 622,531.26 and 270,104.16 is: 372,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,421.04 : 622,531.26 = 270,104.16 : x
  2. Step 2: Convert to fraction form
    451,421.04/622,531.26 = 270,104.16/x
  3. Step 3: Cross multiply
    451,421.04x = 622,531.26 × 270,104.16
  4. Step 4: Simplify right side
    451,421.04x = 168,148,283,056.04
  5. Step 5: Solve for x
    x = 168,148,283,056.04/451,421.04
  6. Step 6: Final answer
    x = 372,486.59

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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.