Home / 1,691,903.76-2,538,016.26-612,688.92

Finding the Fourth Proportional to 1,691,903.76, 2,538,016.26 and 612,688.92

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Solution

The fourth proportional to 1,691,903.76, 2,538,016.26 and 612,688.92 is: 919,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,903.76 : 2,538,016.26 = 612,688.92 : x
  2. Step 2: Convert to fraction form
    1,691,903.76/2,538,016.26 = 612,688.92/x
  3. Step 3: Cross multiply
    1,691,903.76x = 2,538,016.26 × 612,688.92
  4. Step 4: Simplify right side
    1,691,903.76x = 1,555,014,441,281.84
  5. Step 5: Solve for x
    x = 1,555,014,441,281.84/1,691,903.76
  6. Step 6: Final answer
    x = 919,091.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.