Home / 821,714.14-1,133,963.13-454,188.82

Finding the Fourth Proportional to 821,714.14, 1,133,963.13 and 454,188.82

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Solution

The fourth proportional to 821,714.14, 1,133,963.13 and 454,188.82 is: 626,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,714.14 : 1,133,963.13 = 454,188.82 : x
  2. Step 2: Convert to fraction form
    821,714.14/1,133,963.13 = 454,188.82/x
  3. Step 3: Cross multiply
    821,714.14x = 1,133,963.13 × 454,188.82
  4. Step 4: Simplify right side
    821,714.14x = 515,033,375,938.21
  5. Step 5: Solve for x
    x = 515,033,375,938.21/821,714.14
  6. Step 6: Final answer
    x = 626,779.25

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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.