Home / 401,733.49-554,390.68-220,448.45

Finding the Fourth Proportional to 401,733.49, 554,390.68 and 220,448.45

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Solution

The fourth proportional to 401,733.49, 554,390.68 and 220,448.45 is: 304,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,733.49 : 554,390.68 = 220,448.45 : x
  2. Step 2: Convert to fraction form
    401,733.49/554,390.68 = 220,448.45/x
  3. Step 3: Cross multiply
    401,733.49x = 554,390.68 × 220,448.45
  4. Step 4: Simplify right side
    401,733.49x = 122,214,562,226.25
  5. Step 5: Solve for x
    x = 122,214,562,226.25/401,733.49
  6. Step 6: Final answer
    x = 304,218.01

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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.