Home / 490,042.41-676,258.57-275,182.62

Finding the Fourth Proportional to 490,042.41, 676,258.57 and 275,182.62

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Solution

The fourth proportional to 490,042.41, 676,258.57 and 275,182.62 is: 379,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,042.41 : 676,258.57 = 275,182.62 : x
  2. Step 2: Convert to fraction form
    490,042.41/676,258.57 = 275,182.62/x
  3. Step 3: Cross multiply
    490,042.41x = 676,258.57 × 275,182.62
  4. Step 4: Simplify right side
    490,042.41x = 186,094,602,898.06
  5. Step 5: Solve for x
    x = 186,094,602,898.06/490,042.41
  6. Step 6: Final answer
    x = 379,752.04

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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.