Home / 908,114.10-1,362,171.15-276,945.90

Finding the Fourth Proportional to 908,114.10, 1,362,171.15 and 276,945.90

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Solution

The fourth proportional to 908,114.10, 1,362,171.15 and 276,945.90 is: 415,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,114.10 : 1,362,171.15 = 276,945.90 : x
  2. Step 2: Convert to fraction form
    908,114.10/1,362,171.15 = 276,945.90/x
  3. Step 3: Cross multiply
    908,114.10x = 1,362,171.15 × 276,945.90
  4. Step 4: Simplify right side
    908,114.10x = 377,247,715,090.79
  5. Step 5: Solve for x
    x = 377,247,715,090.79/908,114.10
  6. Step 6: Final answer
    x = 415,418.85

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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.