Home / 1,182,761.43-1,632,209.74-638,897.05

Finding the Fourth Proportional to 1,182,761.43, 1,632,209.74 and 638,897.05

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Solution

The fourth proportional to 1,182,761.43, 1,632,209.74 and 638,897.05 is: 881,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,761.43 : 1,632,209.74 = 638,897.05 : x
  2. Step 2: Convert to fraction form
    1,182,761.43/1,632,209.74 = 638,897.05/x
  3. Step 3: Cross multiply
    1,182,761.43x = 1,632,209.74 × 638,897.05
  4. Step 4: Simplify right side
    1,182,761.43x = 1,042,813,987,867.27
  5. Step 5: Solve for x
    x = 1,042,813,987,867.27/1,182,761.43
  6. Step 6: Final answer
    x = 881,677.37

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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.