Home / 451,951.97-623,985.89-280,052.34

Finding the Fourth Proportional to 451,951.97, 623,985.89 and 280,052.34

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Solution

The fourth proportional to 451,951.97, 623,985.89 and 280,052.34 is: 386,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,951.97 : 623,985.89 = 280,052.34 : x
  2. Step 2: Convert to fraction form
    451,951.97/623,985.89 = 280,052.34/x
  3. Step 3: Cross multiply
    451,951.97x = 623,985.89 × 280,052.34
  4. Step 4: Simplify right side
    451,951.97x = 174,748,707,221.22
  5. Step 5: Solve for x
    x = 174,748,707,221.22/451,951.97
  6. Step 6: Final answer
    x = 386,653.27

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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.