Home / 854,511.69-1,179,371.14-492,145.34

Finding the Fourth Proportional to 854,511.69, 1,179,371.14 and 492,145.34

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Solution

The fourth proportional to 854,511.69, 1,179,371.14 and 492,145.34 is: 679,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,511.69 : 1,179,371.14 = 492,145.34 : x
  2. Step 2: Convert to fraction form
    854,511.69/1,179,371.14 = 492,145.34/x
  3. Step 3: Cross multiply
    854,511.69x = 1,179,371.14 × 492,145.34
  4. Step 4: Simplify right side
    854,511.69x = 580,422,013,505.21
  5. Step 5: Solve for x
    x = 580,422,013,505.21/854,511.69
  6. Step 6: Final answer
    x = 679,244.08

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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.