Home / 691,836.30-1,037,307.24-271,154.70

Finding the Fourth Proportional to 691,836.30, 1,037,307.24 and 271,154.70

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Solution

The fourth proportional to 691,836.30, 1,037,307.24 and 271,154.70 is: 406,556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,836.30 : 1,037,307.24 = 271,154.70 : x
  2. Step 2: Convert to fraction form
    691,836.30/1,037,307.24 = 271,154.70/x
  3. Step 3: Cross multiply
    691,836.30x = 1,037,307.24 × 271,154.70
  4. Step 4: Simplify right side
    691,836.30x = 281,270,733,470.03
  5. Step 5: Solve for x
    x = 281,270,733,470.03/691,836.30
  6. Step 6: Final answer
    x = 406,556.77

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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.