Home / 676,519.57-1,014,778.67-277,161.06

Finding the Fourth Proportional to 676,519.57, 1,014,778.67 and 277,161.06

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Solution

The fourth proportional to 676,519.57, 1,014,778.67 and 277,161.06 is: 415,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,519.57 : 1,014,778.67 = 277,161.06 : x
  2. Step 2: Convert to fraction form
    676,519.57/1,014,778.67 = 277,161.06/x
  3. Step 3: Cross multiply
    676,519.57x = 1,014,778.67 × 277,161.06
  4. Step 4: Simplify right side
    676,519.57x = 281,257,134,262.21
  5. Step 5: Solve for x
    x = 281,257,134,262.21/676,519.57
  6. Step 6: Final answer
    x = 415,741.31

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1.5x scale

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.