Home / 1,381,536.60-1,906,517.70-808,685.16

Finding the Fourth Proportional to 1,381,536.60, 1,906,517.70 and 808,685.16

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Solution

The fourth proportional to 1,381,536.60, 1,906,517.70 and 808,685.16 is: 1,115,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,536.60 : 1,906,517.70 = 808,685.16 : x
  2. Step 2: Convert to fraction form
    1,381,536.60/1,906,517.70 = 808,685.16/x
  3. Step 3: Cross multiply
    1,381,536.60x = 1,906,517.70 × 808,685.16
  4. Step 4: Simplify right side
    1,381,536.60x = 1,541,772,571,267.33
  5. Step 5: Solve for x
    x = 1,541,772,571,267.33/1,381,536.60
  6. Step 6: Final answer
    x = 1,115,983.88

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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.