Home / 856,372.97-1,181,491.71-511,969.88

Finding the Fourth Proportional to 856,372.97, 1,181,491.71 and 511,969.88

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Solution

The fourth proportional to 856,372.97, 1,181,491.71 and 511,969.88 is: 706,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,372.97 : 1,181,491.71 = 511,969.88 : x
  2. Step 2: Convert to fraction form
    856,372.97/1,181,491.71 = 511,969.88/x
  3. Step 3: Cross multiply
    856,372.97x = 1,181,491.71 × 511,969.88
  4. Step 4: Simplify right side
    856,372.97x = 604,888,168,989.70
  5. Step 5: Solve for x
    x = 604,888,168,989.70/856,372.97
  6. Step 6: Final answer
    x = 706,337.30

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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.