Home / 401,601.48-554,214.27-220,313.76

Finding the Fourth Proportional to 401,601.48, 554,214.27 and 220,313.76

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Solution

The fourth proportional to 401,601.48, 554,214.27 and 220,313.76 is: 304,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,601.48 : 554,214.27 = 220,313.76 : x
  2. Step 2: Convert to fraction form
    401,601.48/554,214.27 = 220,313.76/x
  3. Step 3: Cross multiply
    401,601.48x = 554,214.27 × 220,313.76
  4. Step 4: Simplify right side
    401,601.48x = 122,101,029,669.36
  5. Step 5: Solve for x
    x = 122,101,029,669.36/401,601.48
  6. Step 6: Final answer
    x = 304,035.31

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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.