Home / 666,984.68-1,001,016.48-516,869

Finding the Fourth Proportional to 666,984.68, 1,001,016.48 and 516,869

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Solution

The fourth proportional to 666,984.68, 1,001,016.48 and 516,869 is: 775,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,984.68 : 1,001,016.48 = 516,869 : x
  2. Step 2: Convert to fraction form
    666,984.68/1,001,016.48 = 516,869/x
  3. Step 3: Cross multiply
    666,984.68x = 1,001,016.48 × 516,869
  4. Step 4: Simplify right side
    666,984.68x = 517,394,387,001.12
  5. Step 5: Solve for x
    x = 517,394,387,001.12/666,984.68
  6. Step 6: Final answer
    x = 775,721.55

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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.