Home / 547,965.51-822,014.69-192,906.87

Finding the Fourth Proportional to 547,965.51, 822,014.69 and 192,906.87

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Solution

The fourth proportional to 547,965.51, 822,014.69 and 192,906.87 is: 289,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,965.51 : 822,014.69 = 192,906.87 : x
  2. Step 2: Convert to fraction form
    547,965.51/822,014.69 = 192,906.87/x
  3. Step 3: Cross multiply
    547,965.51x = 822,014.69 × 192,906.87
  4. Step 4: Simplify right side
    547,965.51x = 158,572,279,977.39
  5. Step 5: Solve for x
    x = 158,572,279,977.39/547,965.51
  6. Step 6: Final answer
    x = 289,383.69

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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.