Home / 401,579.37-602,458.16-121,076.37

Finding the Fourth Proportional to 401,579.37, 602,458.16 and 121,076.37

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Solution

The fourth proportional to 401,579.37, 602,458.16 and 121,076.37 is: 181,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,579.37 : 602,458.16 = 121,076.37 : x
  2. Step 2: Convert to fraction form
    401,579.37/602,458.16 = 121,076.37/x
  3. Step 3: Cross multiply
    401,579.37x = 602,458.16 × 121,076.37
  4. Step 4: Simplify right side
    401,579.37x = 72,943,446,484.30
  5. Step 5: Solve for x
    x = 72,943,446,484.30/401,579.37
  6. Step 6: Final answer
    x = 181,641.42

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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.