Home / 1,761,555.76-2,642,333.65-431,859.76

Finding the Fourth Proportional to 1,761,555.76, 2,642,333.65 and 431,859.76

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Solution

The fourth proportional to 1,761,555.76, 2,642,333.65 and 431,859.76 is: 647,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,555.76 : 2,642,333.65 = 431,859.76 : x
  2. Step 2: Convert to fraction form
    1,761,555.76/2,642,333.65 = 431,859.76/x
  3. Step 3: Cross multiply
    1,761,555.76x = 2,642,333.65 × 431,859.76
  4. Step 4: Simplify right side
    1,761,555.76x = 1,141,117,568,243.44
  5. Step 5: Solve for x
    x = 1,141,117,568,243.44/1,761,555.76
  6. Step 6: Final answer
    x = 647,789.64

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Similar ratio
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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.