Home / 437,631.93-656,185.05-171,074.97

Finding the Fourth Proportional to 437,631.93, 656,185.05 and 171,074.97

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Solution

The fourth proportional to 437,631.93, 656,185.05 and 171,074.97 is: 256,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,631.93 : 656,185.05 = 171,074.97 : x
  2. Step 2: Convert to fraction form
    437,631.93/656,185.05 = 171,074.97/x
  3. Step 3: Cross multiply
    437,631.93x = 656,185.05 × 171,074.97
  4. Step 4: Simplify right side
    437,631.93x = 112,256,837,743.20
  5. Step 5: Solve for x
    x = 112,256,837,743.20/437,631.93
  6. Step 6: Final answer
    x = 256,509.71

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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.