Home / 1,769,785.92-2,655,564.93-810,239.67

Finding the Fourth Proportional to 1,769,785.92, 2,655,564.93 and 810,239.67

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Solution

The fourth proportional to 1,769,785.92, 2,655,564.93 and 810,239.67 is: 1,215,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,785.92 : 2,655,564.93 = 810,239.67 : x
  2. Step 2: Convert to fraction form
    1,769,785.92/2,655,564.93 = 810,239.67/x
  3. Step 3: Cross multiply
    1,769,785.92x = 2,655,564.93 × 810,239.67
  4. Step 4: Simplify right side
    1,769,785.92x = 2,151,644,052,546.77
  5. Step 5: Solve for x
    x = 2,151,644,052,546.77/1,769,785.92
  6. Step 6: Final answer
    x = 1,215,765.15

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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.