Home / 1,190,999.28-1,786,494.60-516,992.61

Finding the Fourth Proportional to 1,190,999.28, 1,786,494.60 and 516,992.61

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Solution

The fourth proportional to 1,190,999.28, 1,786,494.60 and 516,992.61 is: 775,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,999.28 : 1,786,494.60 = 516,992.61 : x
  2. Step 2: Convert to fraction form
    1,190,999.28/1,786,494.60 = 516,992.61/x
  3. Step 3: Cross multiply
    1,190,999.28x = 1,786,494.60 × 516,992.61
  4. Step 4: Simplify right side
    1,190,999.28x = 923,604,506,004.91
  5. Step 5: Solve for x
    x = 923,604,506,004.91/1,190,999.28
  6. Step 6: Final answer
    x = 775,487.04

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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.