Home / 681,216.60-1,021,824.90-326,047.80

Finding the Fourth Proportional to 681,216.60, 1,021,824.90 and 326,047.80

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Solution

The fourth proportional to 681,216.60, 1,021,824.90 and 326,047.80 is: 489,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,216.60 : 1,021,824.90 = 326,047.80 : x
  2. Step 2: Convert to fraction form
    681,216.60/1,021,824.90 = 326,047.80/x
  3. Step 3: Cross multiply
    681,216.60x = 1,021,824.90 × 326,047.80
  4. Step 4: Simplify right side
    681,216.60x = 333,163,760,630.22
  5. Step 5: Solve for x
    x = 333,163,760,630.22/681,216.60
  6. Step 6: Final answer
    x = 489,071.70

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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.