Home / 1,969,618.83-2,954,686.61-771,385.43

Finding the Fourth Proportional to 1,969,618.83, 2,954,686.61 and 771,385.43

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Solution

The fourth proportional to 1,969,618.83, 2,954,686.61 and 771,385.43 is: 1,157,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,618.83 : 2,954,686.61 = 771,385.43 : x
  2. Step 2: Convert to fraction form
    1,969,618.83/2,954,686.61 = 771,385.43/x
  3. Step 3: Cross multiply
    1,969,618.83x = 2,954,686.61 × 771,385.43
  4. Step 4: Simplify right side
    1,969,618.83x = 2,279,202,193,865.16
  5. Step 5: Solve for x
    x = 2,279,202,193,865.16/1,969,618.83
  6. Step 6: Final answer
    x = 1,157,179.33

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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.