Home / 482,828.60-666,272.40-267,968.80

Finding the Fourth Proportional to 482,828.60, 666,272.40 and 267,968.80

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Solution

The fourth proportional to 482,828.60, 666,272.40 and 267,968.80 is: 369,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,828.60 : 666,272.40 = 267,968.80 : x
  2. Step 2: Convert to fraction form
    482,828.60/666,272.40 = 267,968.80/x
  3. Step 3: Cross multiply
    482,828.60x = 666,272.40 × 267,968.80
  4. Step 4: Simplify right side
    482,828.60x = 178,540,215,501.12
  5. Step 5: Solve for x
    x = 178,540,215,501.12/482,828.60
  6. Step 6: Final answer
    x = 369,779.70

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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.