Home / 547,039.12-820,624.20-167,910.19

Finding the Fourth Proportional to 547,039.12, 820,624.20 and 167,910.19

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Solution

The fourth proportional to 547,039.12, 820,624.20 and 167,910.19 is: 251,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,039.12 : 820,624.20 = 167,910.19 : x
  2. Step 2: Convert to fraction form
    547,039.12/820,624.20 = 167,910.19/x
  3. Step 3: Cross multiply
    547,039.12x = 820,624.20 × 167,910.19
  4. Step 4: Simplify right side
    547,039.12x = 137,791,165,340.60
  5. Step 5: Solve for x
    x = 137,791,165,340.60/547,039.12
  6. Step 6: Final answer
    x = 251,885.40

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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.