Home / 719,132.82-991,984.26-460,917.78

Finding the Fourth Proportional to 719,132.82, 991,984.26 and 460,917.78

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Solution

The fourth proportional to 719,132.82, 991,984.26 and 460,917.78 is: 635,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,132.82 : 991,984.26 = 460,917.78 : x
  2. Step 2: Convert to fraction form
    719,132.82/991,984.26 = 460,917.78/x
  3. Step 3: Cross multiply
    719,132.82x = 991,984.26 × 460,917.78
  4. Step 4: Simplify right side
    719,132.82x = 457,223,182,914.14
  5. Step 5: Solve for x
    x = 457,223,182,914.14/719,132.82
  6. Step 6: Final answer
    x = 635,797.96

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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.