Home / 452,410.49-678,615.30-115,451.15

Finding the Fourth Proportional to 452,410.49, 678,615.30 and 115,451.15

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Solution

The fourth proportional to 452,410.49, 678,615.30 and 115,451.15 is: 173,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,410.49 : 678,615.30 = 115,451.15 : x
  2. Step 2: Convert to fraction form
    452,410.49/678,615.30 = 115,451.15/x
  3. Step 3: Cross multiply
    452,410.49x = 678,615.30 × 115,451.15
  4. Step 4: Simplify right side
    452,410.49x = 78,346,916,792.60
  5. Step 5: Solve for x
    x = 78,346,916,792.60/452,410.49
  6. Step 6: Final answer
    x = 173,176.61

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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.