Home / 1,191,512.68-1,786,265.16-517,086.16

Finding the Fourth Proportional to 1,191,512.68, 1,786,265.16 and 517,086.16

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Solution

The fourth proportional to 1,191,512.68, 1,786,265.16 and 517,086.16 is: 775,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,512.68 : 1,786,265.16 = 517,086.16 : x
  2. Step 2: Convert to fraction form
    1,191,512.68/1,786,265.16 = 517,086.16/x
  3. Step 3: Cross multiply
    1,191,512.68x = 1,786,265.16 × 517,086.16
  4. Step 4: Simplify right side
    1,191,512.68x = 923,652,992,326.19
  5. Step 5: Solve for x
    x = 923,652,992,326.19/1,191,512.68
  6. Step 6: Final answer
    x = 775,193.59

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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.