Home / 1,418,934.11-1,958,172.30-807,175.53

Finding the Fourth Proportional to 1,418,934.11, 1,958,172.30 and 807,175.53

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Solution

The fourth proportional to 1,418,934.11, 1,958,172.30 and 807,175.53 is: 1,113,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,934.11 : 1,958,172.30 = 807,175.53 : x
  2. Step 2: Convert to fraction form
    1,418,934.11/1,958,172.30 = 807,175.53/x
  3. Step 3: Cross multiply
    1,418,934.11x = 1,958,172.30 × 807,175.53
  4. Step 4: Simplify right side
    1,418,934.11x = 1,580,588,764,083.82
  5. Step 5: Solve for x
    x = 1,580,588,764,083.82/1,418,934.11
  6. Step 6: Final answer
    x = 1,113,926.83

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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.