Home / 1,225,987.70-1,839,142.22-405,053.57

Finding the Fourth Proportional to 1,225,987.70, 1,839,142.22 and 405,053.57

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Solution

The fourth proportional to 1,225,987.70, 1,839,142.22 and 405,053.57 is: 607,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,987.70 : 1,839,142.22 = 405,053.57 : x
  2. Step 2: Convert to fraction form
    1,225,987.70/1,839,142.22 = 405,053.57/x
  3. Step 3: Cross multiply
    1,225,987.70x = 1,839,142.22 × 405,053.57
  4. Step 4: Simplify right side
    1,225,987.70x = 744,951,124,521.31
  5. Step 5: Solve for x
    x = 744,951,124,521.31/1,225,987.70
  6. Step 6: Final answer
    x = 607,633.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.