Home / 499,122.41-748,601.60-179,208.05

Finding the Fourth Proportional to 499,122.41, 748,601.60 and 179,208.05

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Solution

The fourth proportional to 499,122.41, 748,601.60 and 179,208.05 is: 268,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,122.41 : 748,601.60 = 179,208.05 : x
  2. Step 2: Convert to fraction form
    499,122.41/748,601.60 = 179,208.05/x
  3. Step 3: Cross multiply
    499,122.41x = 748,601.60 × 179,208.05
  4. Step 4: Simplify right side
    499,122.41x = 134,155,428,323.83
  5. Step 5: Solve for x
    x = 134,155,428,323.83/499,122.41
  6. Step 6: Final answer
    x = 268,782.62

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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.