Home / 1,005,869.43-1,388,136.30-576,232.59

Finding the Fourth Proportional to 1,005,869.43, 1,388,136.30 and 576,232.59

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Solution

The fourth proportional to 1,005,869.43, 1,388,136.30 and 576,232.59 is: 795,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,869.43 : 1,388,136.30 = 576,232.59 : x
  2. Step 2: Convert to fraction form
    1,005,869.43/1,388,136.30 = 576,232.59/x
  3. Step 3: Cross multiply
    1,005,869.43x = 1,388,136.30 × 576,232.59
  4. Step 4: Simplify right side
    1,005,869.43x = 799,889,375,422.02
  5. Step 5: Solve for x
    x = 799,889,375,422.02/1,005,869.43
  6. Step 6: Final answer
    x = 795,221.88

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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.