Home / 1,190,859.63-1,786,286.71-516,853.57

Finding the Fourth Proportional to 1,190,859.63, 1,786,286.71 and 516,853.57

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Solution

The fourth proportional to 1,190,859.63, 1,786,286.71 and 516,853.57 is: 775,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,859.63 : 1,786,286.71 = 516,853.57 : x
  2. Step 2: Convert to fraction form
    1,190,859.63/1,786,286.71 = 516,853.57/x
  3. Step 3: Cross multiply
    1,190,859.63x = 1,786,286.71 × 516,853.57
  4. Step 4: Simplify right side
    1,190,859.63x = 923,248,663,107.06
  5. Step 5: Solve for x
    x = 923,248,663,107.06/1,190,859.63
  6. Step 6: Final answer
    x = 775,279.17

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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.