Home / 414,493.02-621,739.46-114,973.61

Finding the Fourth Proportional to 414,493.02, 621,739.46 and 114,973.61

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Solution

The fourth proportional to 414,493.02, 621,739.46 and 114,973.61 is: 172,460.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,493.02 : 621,739.46 = 114,973.61 : x
  2. Step 2: Convert to fraction form
    414,493.02/621,739.46 = 114,973.61/x
  3. Step 3: Cross multiply
    414,493.02x = 621,739.46 × 114,973.61
  4. Step 4: Simplify right side
    414,493.02x = 71,483,627,374.39
  5. Step 5: Solve for x
    x = 71,483,627,374.39/414,493.02
  6. Step 6: Final answer
    x = 172,460.39

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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.