Home / 866,164.59-1,299,232.55-258,954.30

Finding the Fourth Proportional to 866,164.59, 1,299,232.55 and 258,954.30

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Solution

The fourth proportional to 866,164.59, 1,299,232.55 and 258,954.30 is: 388,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,164.59 : 1,299,232.55 = 258,954.30 : x
  2. Step 2: Convert to fraction form
    866,164.59/1,299,232.55 = 258,954.30/x
  3. Step 3: Cross multiply
    866,164.59x = 1,299,232.55 × 258,954.30
  4. Step 4: Simplify right side
    866,164.59x = 336,441,856,169.85
  5. Step 5: Solve for x
    x = 336,441,856,169.85/866,164.59
  6. Step 6: Final answer
    x = 388,427.17

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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.