Home / 674,072.42-930,226.14-383,669.73

Finding the Fourth Proportional to 674,072.42, 930,226.14 and 383,669.73

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Solution

The fourth proportional to 674,072.42, 930,226.14 and 383,669.73 is: 529,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,072.42 : 930,226.14 = 383,669.73 : x
  2. Step 2: Convert to fraction form
    674,072.42/930,226.14 = 383,669.73/x
  3. Step 3: Cross multiply
    674,072.42x = 930,226.14 × 383,669.73
  4. Step 4: Simplify right side
    674,072.42x = 356,899,611,972.74
  5. Step 5: Solve for x
    x = 356,899,611,972.74/674,072.42
  6. Step 6: Final answer
    x = 529,467.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.