Home / 861,408.27-1,188,754.79-474,268.77

Finding the Fourth Proportional to 861,408.27, 1,188,754.79 and 474,268.77

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Solution

The fourth proportional to 861,408.27, 1,188,754.79 and 474,268.77 is: 654,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,408.27 : 1,188,754.79 = 474,268.77 : x
  2. Step 2: Convert to fraction form
    861,408.27/1,188,754.79 = 474,268.77/x
  3. Step 3: Cross multiply
    861,408.27x = 1,188,754.79 × 474,268.77
  4. Step 4: Simplify right side
    861,408.27x = 563,789,269,713.57
  5. Step 5: Solve for x
    x = 563,789,269,713.57/861,408.27
  6. Step 6: Final answer
    x = 654,497.16

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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.