Home / 936,177.67-1,291,912.53-522,720.83

Finding the Fourth Proportional to 936,177.67, 1,291,912.53 and 522,720.83

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Solution

The fourth proportional to 936,177.67, 1,291,912.53 and 522,720.83 is: 721,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,177.67 : 1,291,912.53 = 522,720.83 : x
  2. Step 2: Convert to fraction form
    936,177.67/1,291,912.53 = 522,720.83/x
  3. Step 3: Cross multiply
    936,177.67x = 1,291,912.53 × 522,720.83
  4. Step 4: Simplify right side
    936,177.67x = 675,309,589,969.00
  5. Step 5: Solve for x
    x = 675,309,589,969.00/936,177.67
  6. Step 6: Final answer
    x = 721,347.68

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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.