Home / 519,941.55-779,928.22-178,380.19

Finding the Fourth Proportional to 519,941.55, 779,928.22 and 178,380.19

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Solution

The fourth proportional to 519,941.55, 779,928.22 and 178,380.19 is: 267,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,941.55 : 779,928.22 = 178,380.19 : x
  2. Step 2: Convert to fraction form
    519,941.55/779,928.22 = 178,380.19/x
  3. Step 3: Cross multiply
    519,941.55x = 779,928.22 × 178,380.19
  4. Step 4: Simplify right side
    519,941.55x = 139,123,742,092.78
  5. Step 5: Solve for x
    x = 139,123,742,092.78/519,941.55
  6. Step 6: Final answer
    x = 267,575.73

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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.