Home / 1,382,006.76-1,906,517.43-808,692

Finding the Fourth Proportional to 1,382,006.76, 1,906,517.43 and 808,692

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Solution

The fourth proportional to 1,382,006.76, 1,906,517.43 and 808,692 is: 1,115,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,006.76 : 1,906,517.43 = 808,692 : x
  2. Step 2: Convert to fraction form
    1,382,006.76/1,906,517.43 = 808,692/x
  3. Step 3: Cross multiply
    1,382,006.76x = 1,906,517.43 × 808,692
  4. Step 4: Simplify right side
    1,382,006.76x = 1,541,785,393,501.56
  5. Step 5: Solve for x
    x = 1,541,785,393,501.56/1,382,006.76
  6. Step 6: Final answer
    x = 1,115,613.50

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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.