Home / 685,533.26-945,526.01-443,629.19

Finding the Fourth Proportional to 685,533.26, 945,526.01 and 443,629.19

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Solution

The fourth proportional to 685,533.26, 945,526.01 and 443,629.19 is: 611,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,533.26 : 945,526.01 = 443,629.19 : x
  2. Step 2: Convert to fraction form
    685,533.26/945,526.01 = 443,629.19/x
  3. Step 3: Cross multiply
    685,533.26x = 945,526.01 × 443,629.19
  4. Step 4: Simplify right side
    685,533.26x = 419,462,930,994.46
  5. Step 5: Solve for x
    x = 419,462,930,994.46/685,533.26
  6. Step 6: Final answer
    x = 611,878.31

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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.