Home / 664,119.92-916,458.33-392,275.82

Finding the Fourth Proportional to 664,119.92, 916,458.33 and 392,275.82

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Solution

The fourth proportional to 664,119.92, 916,458.33 and 392,275.82 is: 541,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,119.92 : 916,458.33 = 392,275.82 : x
  2. Step 2: Convert to fraction form
    664,119.92/916,458.33 = 392,275.82/x
  3. Step 3: Cross multiply
    664,119.92x = 916,458.33 × 392,275.82
  4. Step 4: Simplify right side
    664,119.92x = 359,504,446,658.76
  5. Step 5: Solve for x
    x = 359,504,446,658.76/664,119.92
  6. Step 6: Final answer
    x = 541,324.59

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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.