Home / 786,216.57-1,085,659.37-745,859.94

Finding the Fourth Proportional to 786,216.57, 1,085,659.37 and 745,859.94

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Solution

The fourth proportional to 786,216.57, 1,085,659.37 and 745,859.94 is: 1,029,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,216.57 : 1,085,659.37 = 745,859.94 : x
  2. Step 2: Convert to fraction form
    786,216.57/1,085,659.37 = 745,859.94/x
  3. Step 3: Cross multiply
    786,216.57x = 1,085,659.37 × 745,859.94
  4. Step 4: Simplify right side
    786,216.57x = 809,749,823,411.04
  5. Step 5: Solve for x
    x = 809,749,823,411.04/786,216.57
  6. Step 6: Final answer
    x = 1,029,932.29

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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.