Home / 1,447,162.11-1,997,206.38-802,789.92

Finding the Fourth Proportional to 1,447,162.11, 1,997,206.38 and 802,789.92

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Solution

The fourth proportional to 1,447,162.11, 1,997,206.38 and 802,789.92 is: 1,107,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,162.11 : 1,997,206.38 = 802,789.92 : x
  2. Step 2: Convert to fraction form
    1,447,162.11/1,997,206.38 = 802,789.92/x
  3. Step 3: Cross multiply
    1,447,162.11x = 1,997,206.38 × 802,789.92
  4. Step 4: Simplify right side
    1,447,162.11x = 1,603,337,150,023.69
  5. Step 5: Solve for x
    x = 1,603,337,150,023.69/1,447,162.11
  6. Step 6: Final answer
    x = 1,107,918.14

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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.