Home / 657,992.20-985,676.10-377,181.40

Finding the Fourth Proportional to 657,992.20, 985,676.10 and 377,181.40

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Solution

The fourth proportional to 657,992.20, 985,676.10 and 377,181.40 is: 565,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,992.20 : 985,676.10 = 377,181.40 : x
  2. Step 2: Convert to fraction form
    657,992.20/985,676.10 = 377,181.40/x
  3. Step 3: Cross multiply
    657,992.20x = 985,676.10 × 377,181.40
  4. Step 4: Simplify right side
    657,992.20x = 371,778,691,344.54
  5. Step 5: Solve for x
    x = 371,778,691,344.54/657,992.20
  6. Step 6: Final answer
    x = 565,019.91

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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.