Home / 401,740.68-554,383.38-220,448.04

Finding the Fourth Proportional to 401,740.68, 554,383.38 and 220,448.04

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Solution

The fourth proportional to 401,740.68, 554,383.38 and 220,448.04 is: 304,208.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,740.68 : 554,383.38 = 220,448.04 : x
  2. Step 2: Convert to fraction form
    401,740.68/554,383.38 = 220,448.04/x
  3. Step 3: Cross multiply
    401,740.68x = 554,383.38 × 220,448.04
  4. Step 4: Simplify right side
    401,740.68x = 122,212,729,529.58
  5. Step 5: Solve for x
    x = 122,212,729,529.58/401,740.68
  6. Step 6: Final answer
    x = 304,208.00

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1.5x scale

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.