Home / 451,717.20-623,639.88-282,180.96

Finding the Fourth Proportional to 451,717.20, 623,639.88 and 282,180.96

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Solution

The fourth proportional to 451,717.20, 623,639.88 and 282,180.96 is: 389,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,717.20 : 623,639.88 = 282,180.96 : x
  2. Step 2: Convert to fraction form
    451,717.20/623,639.88 = 282,180.96/x
  3. Step 3: Cross multiply
    451,717.20x = 623,639.88 × 282,180.96
  4. Step 4: Simplify right side
    451,717.20x = 175,979,300,032.69
  5. Step 5: Solve for x
    x = 175,979,300,032.69/451,717.20
  6. Step 6: Final answer
    x = 389,578.48

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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.