Home / 1,333,647-1,840,418.01-721,785.96

Finding the Fourth Proportional to 1,333,647, 1,840,418.01 and 721,785.96

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Solution

The fourth proportional to 1,333,647, 1,840,418.01 and 721,785.96 is: 996,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,647 : 1,840,418.01 = 721,785.96 : x
  2. Step 2: Convert to fraction form
    1,333,647/1,840,418.01 = 721,785.96/x
  3. Step 3: Cross multiply
    1,333,647x = 1,840,418.01 × 721,785.96
  4. Step 4: Simplify right side
    1,333,647x = 1,328,387,880,149.14
  5. Step 5: Solve for x
    x = 1,328,387,880,149.14/1,333,647
  6. Step 6: Final answer
    x = 996,056.59

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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.