Home / 729,707.60-1,094,561.40-197,310.80

Finding the Fourth Proportional to 729,707.60, 1,094,561.40 and 197,310.80

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Solution

The fourth proportional to 729,707.60, 1,094,561.40 and 197,310.80 is: 295,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,707.60 : 1,094,561.40 = 197,310.80 : x
  2. Step 2: Convert to fraction form
    729,707.60/1,094,561.40 = 197,310.80/x
  3. Step 3: Cross multiply
    729,707.60x = 1,094,561.40 × 197,310.80
  4. Step 4: Simplify right side
    729,707.60x = 215,968,785,483.12
  5. Step 5: Solve for x
    x = 215,968,785,483.12/729,707.60
  6. Step 6: Final answer
    x = 295,966.20

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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.