Home / 591,475.57-816,236.70-319,543.37

Finding the Fourth Proportional to 591,475.57, 816,236.70 and 319,543.37

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Solution

The fourth proportional to 591,475.57, 816,236.70 and 319,543.37 is: 440,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,475.57 : 816,236.70 = 319,543.37 : x
  2. Step 2: Convert to fraction form
    591,475.57/816,236.70 = 319,543.37/x
  3. Step 3: Cross multiply
    591,475.57x = 816,236.70 × 319,543.37
  4. Step 4: Simplify right side
    591,475.57x = 260,823,022,469.26
  5. Step 5: Solve for x
    x = 260,823,022,469.26/591,475.57
  6. Step 6: Final answer
    x = 440,970.07

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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.