Home / 401,725.60-554,416.40-220,472.52

Finding the Fourth Proportional to 401,725.60, 554,416.40 and 220,472.52

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Solution

The fourth proportional to 401,725.60, 554,416.40 and 220,472.52 is: 304,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,725.60 : 554,416.40 = 220,472.52 : x
  2. Step 2: Convert to fraction form
    401,725.60/554,416.40 = 220,472.52/x
  3. Step 3: Cross multiply
    401,725.60x = 554,416.40 × 220,472.52
  4. Step 4: Simplify right side
    401,725.60x = 122,233,580,837.33
  5. Step 5: Solve for x
    x = 122,233,580,837.33/401,725.60
  6. Step 6: Final answer
    x = 304,271.33

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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.