Home / 1,185,343.76-1,635,761.64-641,467.52

Finding the Fourth Proportional to 1,185,343.76, 1,635,761.64 and 641,467.52

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Solution

The fourth proportional to 1,185,343.76, 1,635,761.64 and 641,467.52 is: 885,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,343.76 : 1,635,761.64 = 641,467.52 : x
  2. Step 2: Convert to fraction form
    1,185,343.76/1,635,761.64 = 641,467.52/x
  3. Step 3: Cross multiply
    1,185,343.76x = 1,635,761.64 × 641,467.52
  4. Step 4: Simplify right side
    1,185,343.76x = 1,049,287,962,521.93
  5. Step 5: Solve for x
    x = 1,049,287,962,521.93/1,185,343.76
  6. Step 6: Final answer
    x = 885,218.28

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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.