Home / 525,934.40-788,901.60-327,516.80

Finding the Fourth Proportional to 525,934.40, 788,901.60 and 327,516.80

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Solution

The fourth proportional to 525,934.40, 788,901.60 and 327,516.80 is: 491,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,934.40 : 788,901.60 = 327,516.80 : x
  2. Step 2: Convert to fraction form
    525,934.40/788,901.60 = 327,516.80/x
  3. Step 3: Cross multiply
    525,934.40x = 788,901.60 × 327,516.80
  4. Step 4: Simplify right side
    525,934.40x = 258,378,527,546.88
  5. Step 5: Solve for x
    x = 258,378,527,546.88/525,934.40
  6. Step 6: Final answer
    x = 491,275.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.