Home / 861,408.77-1,188,755.48-474,269.27

Finding the Fourth Proportional to 861,408.77, 1,188,755.48 and 474,269.27

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Solution

The fourth proportional to 861,408.77, 1,188,755.48 and 474,269.27 is: 654,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,408.77 : 1,188,755.48 = 474,269.27 : x
  2. Step 2: Convert to fraction form
    861,408.77/1,188,755.48 = 474,269.27/x
  3. Step 3: Cross multiply
    861,408.77x = 1,188,755.48 × 474,269.27
  4. Step 4: Simplify right side
    861,408.77x = 563,790,191,336.75
  5. Step 5: Solve for x
    x = 563,790,191,336.75/861,408.77
  6. Step 6: Final answer
    x = 654,497.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.