Home / 401,460.44-553,857.34-231,661.76

Finding the Fourth Proportional to 401,460.44, 553,857.34 and 231,661.76

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Solution

The fourth proportional to 401,460.44, 553,857.34 and 231,661.76 is: 319,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,460.44 : 553,857.34 = 231,661.76 : x
  2. Step 2: Convert to fraction form
    401,460.44/553,857.34 = 231,661.76/x
  3. Step 3: Cross multiply
    401,460.44x = 553,857.34 × 231,661.76
  4. Step 4: Simplify right side
    401,460.44x = 128,307,566,173.32
  5. Step 5: Solve for x
    x = 128,307,566,173.32/401,460.44
  6. Step 6: Final answer
    x = 319,602.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.