Home / 506,629.50-699,087.96-291,839.37

Finding the Fourth Proportional to 506,629.50, 699,087.96 and 291,839.37

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Solution

The fourth proportional to 506,629.50, 699,087.96 and 291,839.37 is: 402,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,629.50 : 699,087.96 = 291,839.37 : x
  2. Step 2: Convert to fraction form
    506,629.50/699,087.96 = 291,839.37/x
  3. Step 3: Cross multiply
    506,629.50x = 699,087.96 × 291,839.37
  4. Step 4: Simplify right side
    506,629.50x = 204,021,389,820.99
  5. Step 5: Solve for x
    x = 204,021,389,820.99/506,629.50
  6. Step 6: Final answer
    x = 402,703.34

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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.