Home / 397,026.39-547,895.39-215,738.34

Finding the Fourth Proportional to 397,026.39, 547,895.39 and 215,738.34

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Solution

The fourth proportional to 397,026.39, 547,895.39 and 215,738.34 is: 297,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,026.39 : 547,895.39 = 215,738.34 : x
  2. Step 2: Convert to fraction form
    397,026.39/547,895.39 = 215,738.34/x
  3. Step 3: Cross multiply
    397,026.39x = 547,895.39 × 215,738.34
  4. Step 4: Simplify right side
    397,026.39x = 118,202,040,853.56
  5. Step 5: Solve for x
    x = 118,202,040,853.56/397,026.39
  6. Step 6: Final answer
    x = 297,718.35

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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.