Home / 1,331,236.28-1,836,900.78-758,203.40

Finding the Fourth Proportional to 1,331,236.28, 1,836,900.78 and 758,203.40

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Solution

The fourth proportional to 1,331,236.28, 1,836,900.78 and 758,203.40 is: 1,046,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,236.28 : 1,836,900.78 = 758,203.40 : x
  2. Step 2: Convert to fraction form
    1,331,236.28/1,836,900.78 = 758,203.40/x
  3. Step 3: Cross multiply
    1,331,236.28x = 1,836,900.78 × 758,203.40
  4. Step 4: Simplify right side
    1,331,236.28x = 1,392,744,416,858.65
  5. Step 5: Solve for x
    x = 1,392,744,416,858.65/1,331,236.28
  6. Step 6: Final answer
    x = 1,046,203.77

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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.