Home / 547,513.68-820,730.76-192,278.60

Finding the Fourth Proportional to 547,513.68, 820,730.76 and 192,278.60

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Solution

The fourth proportional to 547,513.68, 820,730.76 and 192,278.60 is: 288,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,513.68 : 820,730.76 = 192,278.60 : x
  2. Step 2: Convert to fraction form
    547,513.68/820,730.76 = 192,278.60/x
  3. Step 3: Cross multiply
    547,513.68x = 820,730.76 × 192,278.60
  4. Step 4: Simplify right side
    547,513.68x = 157,808,957,406.08
  5. Step 5: Solve for x
    x = 157,808,957,406.08/547,513.68
  6. Step 6: Final answer
    x = 288,228.34

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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.