Home / 547,465.42-821,227.29-173,517.58

Finding the Fourth Proportional to 547,465.42, 821,227.29 and 173,517.58

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Solution

The fourth proportional to 547,465.42, 821,227.29 and 173,517.58 is: 260,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,465.42 : 821,227.29 = 173,517.58 : x
  2. Step 2: Convert to fraction form
    547,465.42/821,227.29 = 173,517.58/x
  3. Step 3: Cross multiply
    547,465.42x = 821,227.29 × 173,517.58
  4. Step 4: Simplify right side
    547,465.42x = 142,497,371,990.76
  5. Step 5: Solve for x
    x = 142,497,371,990.76/547,465.42
  6. Step 6: Final answer
    x = 260,285.61

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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.