Home / 426,112.02-639,167.16-248,494.56

Finding the Fourth Proportional to 426,112.02, 639,167.16 and 248,494.56

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Solution

The fourth proportional to 426,112.02, 639,167.16 and 248,494.56 is: 372,741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,112.02 : 639,167.16 = 248,494.56 : x
  2. Step 2: Convert to fraction form
    426,112.02/639,167.16 = 248,494.56/x
  3. Step 3: Cross multiply
    426,112.02x = 639,167.16 × 248,494.56
  4. Step 4: Simplify right side
    426,112.02x = 158,829,562,190.65
  5. Step 5: Solve for x
    x = 158,829,562,190.65/426,112.02
  6. Step 6: Final answer
    x = 372,741.33

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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.