Home / 866,271.69-1,299,592.97-259,107.63

Finding the Fourth Proportional to 866,271.69, 1,299,592.97 and 259,107.63

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Solution

The fourth proportional to 866,271.69, 1,299,592.97 and 259,107.63 is: 388,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,271.69 : 1,299,592.97 = 259,107.63 : x
  2. Step 2: Convert to fraction form
    866,271.69/1,299,592.97 = 259,107.63/x
  3. Step 3: Cross multiply
    866,271.69x = 1,299,592.97 × 259,107.63
  4. Step 4: Simplify right side
    866,271.69x = 336,734,454,421.36
  5. Step 5: Solve for x
    x = 336,734,454,421.36/866,271.69
  6. Step 6: Final answer
    x = 388,716.91

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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.