Home / 611,789.03-844,292.80-418,601.92

Finding the Fourth Proportional to 611,789.03, 844,292.80 and 418,601.92

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Solution

The fourth proportional to 611,789.03, 844,292.80 and 418,601.92 is: 577,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,789.03 : 844,292.80 = 418,601.92 : x
  2. Step 2: Convert to fraction form
    611,789.03/844,292.80 = 418,601.92/x
  3. Step 3: Cross multiply
    611,789.03x = 844,292.80 × 418,601.92
  4. Step 4: Simplify right side
    611,789.03x = 353,422,587,122.18
  5. Step 5: Solve for x
    x = 353,422,587,122.18/611,789.03
  6. Step 6: Final answer
    x = 577,687.03

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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.