Home / 1,579,653.90-2,179,919.90-854,499.38

Finding the Fourth Proportional to 1,579,653.90, 2,179,919.90 and 854,499.38

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Solution

The fourth proportional to 1,579,653.90, 2,179,919.90 and 854,499.38 is: 1,179,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,653.90 : 2,179,919.90 = 854,499.38 : x
  2. Step 2: Convert to fraction form
    1,579,653.90/2,179,919.90 = 854,499.38/x
  3. Step 3: Cross multiply
    1,579,653.90x = 2,179,919.90 × 854,499.38
  4. Step 4: Simplify right side
    1,579,653.90x = 1,862,740,202,999.66
  5. Step 5: Solve for x
    x = 1,862,740,202,999.66/1,579,653.90
  6. Step 6: Final answer
    x = 1,179,207.80

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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.