Home / 1,022,154.58-1,531,536.89-621,583.66

Finding the Fourth Proportional to 1,022,154.58, 1,531,536.89 and 621,583.66

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Solution

The fourth proportional to 1,022,154.58, 1,531,536.89 and 621,583.66 is: 931,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,154.58 : 1,531,536.89 = 621,583.66 : x
  2. Step 2: Convert to fraction form
    1,022,154.58/1,531,536.89 = 621,583.66/x
  3. Step 3: Cross multiply
    1,022,154.58x = 1,531,536.89 × 621,583.66
  4. Step 4: Simplify right side
    1,022,154.58x = 951,978,305,511.22
  5. Step 5: Solve for x
    x = 951,978,305,511.22/1,022,154.58
  6. Step 6: Final answer
    x = 931,344.75

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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.