Home / 1,139,857.68-1,707,539.40-926,866

Finding the Fourth Proportional to 1,139,857.68, 1,707,539.40 and 926,866

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Solution

The fourth proportional to 1,139,857.68, 1,707,539.40 and 926,866 is: 1,388,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,857.68 : 1,707,539.40 = 926,866 : x
  2. Step 2: Convert to fraction form
    1,139,857.68/1,707,539.40 = 926,866/x
  3. Step 3: Cross multiply
    1,139,857.68x = 1,707,539.40 × 926,866
  4. Step 4: Simplify right side
    1,139,857.68x = 1,582,660,213,520.40
  5. Step 5: Solve for x
    x = 1,582,660,213,520.40/1,139,857.68
  6. Step 6: Final answer
    x = 1,388,471.77

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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.