Home / 422,734.75-583,436.27-267,700.19

Finding the Fourth Proportional to 422,734.75, 583,436.27 and 267,700.19

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Solution

The fourth proportional to 422,734.75, 583,436.27 and 267,700.19 is: 369,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,734.75 : 583,436.27 = 267,700.19 : x
  2. Step 2: Convert to fraction form
    422,734.75/583,436.27 = 267,700.19/x
  3. Step 3: Cross multiply
    422,734.75x = 583,436.27 × 267,700.19
  4. Step 4: Simplify right side
    422,734.75x = 156,185,998,083.96
  5. Step 5: Solve for x
    x = 156,185,998,083.96/422,734.75
  6. Step 6: Final answer
    x = 369,465.72

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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.