Home / 547,516.18-820,734.51-192,281.10

Finding the Fourth Proportional to 547,516.18, 820,734.51 and 192,281.10

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Solution

The fourth proportional to 547,516.18, 820,734.51 and 192,281.10 is: 288,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,516.18 : 820,734.51 = 192,281.10 : x
  2. Step 2: Convert to fraction form
    547,516.18/820,734.51 = 192,281.10/x
  3. Step 3: Cross multiply
    547,516.18x = 820,734.51 × 192,281.10
  4. Step 4: Simplify right side
    547,516.18x = 157,811,734,390.76
  5. Step 5: Solve for x
    x = 157,811,734,390.76/547,516.18
  6. Step 6: Final answer
    x = 288,232.09

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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.