Home / 1,341,202.90-1,850,785.20-768,279.97

Finding the Fourth Proportional to 1,341,202.90, 1,850,785.20 and 768,279.97

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Solution

The fourth proportional to 1,341,202.90, 1,850,785.20 and 768,279.97 is: 1,060,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,202.90 : 1,850,785.20 = 768,279.97 : x
  2. Step 2: Convert to fraction form
    1,341,202.90/1,850,785.20 = 768,279.97/x
  3. Step 3: Cross multiply
    1,341,202.90x = 1,850,785.20 × 768,279.97
  4. Step 4: Simplify right side
    1,341,202.90x = 1,421,921,194,091.04
  5. Step 5: Solve for x
    x = 1,421,921,194,091.04/1,341,202.90
  6. Step 6: Final answer
    x = 1,060,183.51

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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.