Home / 845,993.76-1,268,588.88-491,116.56

Finding the Fourth Proportional to 845,993.76, 1,268,588.88 and 491,116.56

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Solution

The fourth proportional to 845,993.76, 1,268,588.88 and 491,116.56 is: 736,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,993.76 : 1,268,588.88 = 491,116.56 : x
  2. Step 2: Convert to fraction form
    845,993.76/1,268,588.88 = 491,116.56/x
  3. Step 3: Cross multiply
    845,993.76x = 1,268,588.88 × 491,116.56
  4. Step 4: Simplify right side
    845,993.76x = 623,025,006,799.85
  5. Step 5: Solve for x
    x = 623,025,006,799.85/845,993.76
  6. Step 6: Final answer
    x = 736,441.61

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Double scale
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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.