Home / 1,761,743.80-2,642,631.30-696,785.97

Finding the Fourth Proportional to 1,761,743.80, 2,642,631.30 and 696,785.97

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Solution

The fourth proportional to 1,761,743.80, 2,642,631.30 and 696,785.97 is: 1,045,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,743.80 : 2,642,631.30 = 696,785.97 : x
  2. Step 2: Convert to fraction form
    1,761,743.80/2,642,631.30 = 696,785.97/x
  3. Step 3: Cross multiply
    1,761,743.80x = 2,642,631.30 × 696,785.97
  4. Step 4: Simplify right side
    1,761,743.80x = 1,841,348,418,160.02
  5. Step 5: Solve for x
    x = 1,841,348,418,160.02/1,761,743.80
  6. Step 6: Final answer
    x = 1,045,185.13

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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.