Home / 664,233.14-916,615.32-392,388.33

Finding the Fourth Proportional to 664,233.14, 916,615.32 and 392,388.33

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Solution

The fourth proportional to 664,233.14, 916,615.32 and 392,388.33 is: 541,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,233.14 : 916,615.32 = 392,388.33 : x
  2. Step 2: Convert to fraction form
    664,233.14/916,615.32 = 392,388.33/x
  3. Step 3: Cross multiply
    664,233.14x = 916,615.32 × 392,388.33
  4. Step 4: Simplify right side
    664,233.14x = 359,669,154,667.22
  5. Step 5: Solve for x
    x = 359,669,154,667.22/664,233.14
  6. Step 6: Final answer
    x = 541,480.30

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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.