Home / 1,418,113.80-1,956,948.66-845,143.56

Finding the Fourth Proportional to 1,418,113.80, 1,956,948.66 and 845,143.56

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Solution

The fourth proportional to 1,418,113.80, 1,956,948.66 and 845,143.56 is: 1,166,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,113.80 : 1,956,948.66 = 845,143.56 : x
  2. Step 2: Convert to fraction form
    1,418,113.80/1,956,948.66 = 845,143.56/x
  3. Step 3: Cross multiply
    1,418,113.80x = 1,956,948.66 × 845,143.56
  4. Step 4: Simplify right side
    1,418,113.80x = 1,653,902,557,249.63
  5. Step 5: Solve for x
    x = 1,653,902,557,249.63/1,418,113.80
  6. Step 6: Final answer
    x = 1,166,269.28

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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.