Home / 733,785.70-1,100,787.90-260,431.42

Finding the Fourth Proportional to 733,785.70, 1,100,787.90 and 260,431.42

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Solution

The fourth proportional to 733,785.70, 1,100,787.90 and 260,431.42 is: 390,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,785.70 : 1,100,787.90 = 260,431.42 : x
  2. Step 2: Convert to fraction form
    733,785.70/1,100,787.90 = 260,431.42/x
  3. Step 3: Cross multiply
    733,785.70x = 1,100,787.90 × 260,431.42
  4. Step 4: Simplify right side
    733,785.70x = 286,679,755,915.82
  5. Step 5: Solve for x
    x = 286,679,755,915.82/733,785.70
  6. Step 6: Final answer
    x = 390,685.94

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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.