Home / 935,617.96-1,291,150.56-505,896.76

Finding the Fourth Proportional to 935,617.96, 1,291,150.56 and 505,896.76

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Solution

The fourth proportional to 935,617.96, 1,291,150.56 and 505,896.76 is: 698,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,617.96 : 1,291,150.56 = 505,896.76 : x
  2. Step 2: Convert to fraction form
    935,617.96/1,291,150.56 = 505,896.76/x
  3. Step 3: Cross multiply
    935,617.96x = 1,291,150.56 × 505,896.76
  4. Step 4: Simplify right side
    935,617.96x = 653,188,884,976.19
  5. Step 5: Solve for x
    x = 653,188,884,976.19/935,617.96
  6. Step 6: Final answer
    x = 698,136.33

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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.