Home / 1,185,310.13-1,635,714.14-641,433.33

Finding the Fourth Proportional to 1,185,310.13, 1,635,714.14 and 641,433.33

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Solution

The fourth proportional to 1,185,310.13, 1,635,714.14 and 641,433.33 is: 885,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,310.13 : 1,635,714.14 = 641,433.33 : x
  2. Step 2: Convert to fraction form
    1,185,310.13/1,635,714.14 = 641,433.33/x
  3. Step 3: Cross multiply
    1,185,310.13x = 1,635,714.14 × 641,433.33
  4. Step 4: Simplify right side
    1,185,310.13x = 1,049,201,564,541.12
  5. Step 5: Solve for x
    x = 1,049,201,564,541.12/1,185,310.13
  6. Step 6: Final answer
    x = 885,170.51

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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.