Home / 876,490.29-1,314,735.44-211,642.29

Finding the Fourth Proportional to 876,490.29, 1,314,735.44 and 211,642.29

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Solution

The fourth proportional to 876,490.29, 1,314,735.44 and 211,642.29 is: 317,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,490.29 : 1,314,735.44 = 211,642.29 : x
  2. Step 2: Convert to fraction form
    876,490.29/1,314,735.44 = 211,642.29/x
  3. Step 3: Cross multiply
    876,490.29x = 1,314,735.44 × 211,642.29
  4. Step 4: Simplify right side
    876,490.29x = 278,253,618,207.55
  5. Step 5: Solve for x
    x = 278,253,618,207.55/876,490.29
  6. Step 6: Final answer
    x = 317,463.44

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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.