Home / 1,182,757.25-1,632,205.67-638,893.05

Finding the Fourth Proportional to 1,182,757.25, 1,632,205.67 and 638,893.05

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Solution

The fourth proportional to 1,182,757.25, 1,632,205.67 and 638,893.05 is: 881,672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,757.25 : 1,632,205.67 = 638,893.05 : x
  2. Step 2: Convert to fraction form
    1,182,757.25/1,632,205.67 = 638,893.05/x
  3. Step 3: Cross multiply
    1,182,757.25x = 1,632,205.67 × 638,893.05
  4. Step 4: Simplify right side
    1,182,757.25x = 1,042,804,855,539.13
  5. Step 5: Solve for x
    x = 1,042,804,855,539.13/1,182,757.25
  6. Step 6: Final answer
    x = 881,672.77

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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.