Home / 465,512.04-642,479.58-274,546.44

Finding the Fourth Proportional to 465,512.04, 642,479.58 and 274,546.44

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Solution

The fourth proportional to 465,512.04, 642,479.58 and 274,546.44 is: 378,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,512.04 : 642,479.58 = 274,546.44 : x
  2. Step 2: Convert to fraction form
    465,512.04/642,479.58 = 274,546.44/x
  3. Step 3: Cross multiply
    465,512.04x = 642,479.58 × 274,546.44
  4. Step 4: Simplify right side
    465,512.04x = 176,390,481,461.70
  5. Step 5: Solve for x
    x = 176,390,481,461.70/465,512.04
  6. Step 6: Final answer
    x = 378,917.12

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1.5x scale

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.