Home / 401,296.10-553,429.92-265,468.82

Finding the Fourth Proportional to 401,296.10, 553,429.92 and 265,468.82

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Solution

The fourth proportional to 401,296.10, 553,429.92 and 265,468.82 is: 366,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,296.10 : 553,429.92 = 265,468.82 : x
  2. Step 2: Convert to fraction form
    401,296.10/553,429.92 = 265,468.82/x
  3. Step 3: Cross multiply
    401,296.10x = 553,429.92 × 265,468.82
  4. Step 4: Simplify right side
    401,296.10x = 146,918,387,815.09
  5. Step 5: Solve for x
    x = 146,918,387,815.09/401,296.10
  6. Step 6: Final answer
    x = 366,109.68

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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.