Home / 1,182,734.82-1,632,174.68-638,870.60

Finding the Fourth Proportional to 1,182,734.82, 1,632,174.68 and 638,870.60

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Solution

The fourth proportional to 1,182,734.82, 1,632,174.68 and 638,870.60 is: 881,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,734.82 : 1,632,174.68 = 638,870.60 : x
  2. Step 2: Convert to fraction form
    1,182,734.82/1,632,174.68 = 638,870.60/x
  3. Step 3: Cross multiply
    1,182,734.82x = 1,632,174.68 × 638,870.60
  4. Step 4: Simplify right side
    1,182,734.82x = 1,042,748,405,761.18
  5. Step 5: Solve for x
    x = 1,042,748,405,761.18/1,182,734.82
  6. Step 6: Final answer
    x = 881,641.76

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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.