Home / 866,955.26-1,299,878.94-416,780.36

Finding the Fourth Proportional to 866,955.26, 1,299,878.94 and 416,780.36

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Solution

The fourth proportional to 866,955.26, 1,299,878.94 and 416,780.36 is: 624,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,955.26 : 1,299,878.94 = 416,780.36 : x
  2. Step 2: Convert to fraction form
    866,955.26/1,299,878.94 = 416,780.36/x
  3. Step 3: Cross multiply
    866,955.26x = 1,299,878.94 × 416,780.36
  4. Step 4: Simplify right side
    866,955.26x = 541,764,012,569.62
  5. Step 5: Solve for x
    x = 541,764,012,569.62/866,955.26
  6. Step 6: Final answer
    x = 624,904.23

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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.