Home / 466,623.20-699,157.20-438,629.60

Finding the Fourth Proportional to 466,623.20, 699,157.20 and 438,629.60

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Solution

The fourth proportional to 466,623.20, 699,157.20 and 438,629.60 is: 657,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,623.20 : 699,157.20 = 438,629.60 : x
  2. Step 2: Convert to fraction form
    466,623.20/699,157.20 = 438,629.60/x
  3. Step 3: Cross multiply
    466,623.20x = 699,157.20 × 438,629.60
  4. Step 4: Simplify right side
    466,623.20x = 306,671,042,973.12
  5. Step 5: Solve for x
    x = 306,671,042,973.12/466,623.20
  6. Step 6: Final answer
    x = 657,213.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.