Home / 1,205,857.76-1,806,421.89-699,354.69

Finding the Fourth Proportional to 1,205,857.76, 1,806,421.89 and 699,354.69

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Solution

The fourth proportional to 1,205,857.76, 1,806,421.89 and 699,354.69 is: 1,047,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,857.76 : 1,806,421.89 = 699,354.69 : x
  2. Step 2: Convert to fraction form
    1,205,857.76/1,806,421.89 = 699,354.69/x
  3. Step 3: Cross multiply
    1,205,857.76x = 1,806,421.89 × 699,354.69
  4. Step 4: Simplify right side
    1,205,857.76x = 1,263,329,620,890.16
  5. Step 5: Solve for x
    x = 1,263,329,620,890.16/1,205,857.76
  6. Step 6: Final answer
    x = 1,047,660.56

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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.