Home / 579,040.52-799,071.54-324,393.80

Finding the Fourth Proportional to 579,040.52, 799,071.54 and 324,393.80

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Solution

The fourth proportional to 579,040.52, 799,071.54 and 324,393.80 is: 447,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,040.52 : 799,071.54 = 324,393.80 : x
  2. Step 2: Convert to fraction form
    579,040.52/799,071.54 = 324,393.80/x
  3. Step 3: Cross multiply
    579,040.52x = 799,071.54 × 324,393.80
  4. Step 4: Simplify right side
    579,040.52x = 259,213,853,332.45
  5. Step 5: Solve for x
    x = 259,213,853,332.45/579,040.52
  6. Step 6: Final answer
    x = 447,660.99

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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.