Home / 1,109,636.28-1,530,809.82-650,517.48

Finding the Fourth Proportional to 1,109,636.28, 1,530,809.82 and 650,517.48

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Solution

The fourth proportional to 1,109,636.28, 1,530,809.82 and 650,517.48 is: 897,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,636.28 : 1,530,809.82 = 650,517.48 : x
  2. Step 2: Convert to fraction form
    1,109,636.28/1,530,809.82 = 650,517.48/x
  3. Step 3: Cross multiply
    1,109,636.28x = 1,530,809.82 × 650,517.48
  4. Step 4: Simplify right side
    1,109,636.28x = 995,818,546,465.65
  5. Step 5: Solve for x
    x = 995,818,546,465.65/1,109,636.28
  6. Step 6: Final answer
    x = 897,427.89

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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.