Home / 1,182,774.71-1,632,228.11-638,910.33

Finding the Fourth Proportional to 1,182,774.71, 1,632,228.11 and 638,910.33

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Solution

The fourth proportional to 1,182,774.71, 1,632,228.11 and 638,910.33 is: 881,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,774.71 : 1,632,228.11 = 638,910.33 : x
  2. Step 2: Convert to fraction form
    1,182,774.71/1,632,228.11 = 638,910.33/x
  3. Step 3: Cross multiply
    1,182,774.71x = 1,632,228.11 × 638,910.33
  4. Step 4: Simplify right side
    1,182,774.71x = 1,042,847,406,251.04
  5. Step 5: Solve for x
    x = 1,042,847,406,251.04/1,182,774.71
  6. Step 6: Final answer
    x = 881,695.73

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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.