Home / 911,191.41-1,366,824.46-312,564.24

Finding the Fourth Proportional to 911,191.41, 1,366,824.46 and 312,564.24

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Solution

The fourth proportional to 911,191.41, 1,366,824.46 and 312,564.24 is: 468,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,191.41 : 1,366,824.46 = 312,564.24 : x
  2. Step 2: Convert to fraction form
    911,191.41/1,366,824.46 = 312,564.24/x
  3. Step 3: Cross multiply
    911,191.41x = 1,366,824.46 × 312,564.24
  4. Step 4: Simplify right side
    911,191.41x = 427,220,448,553.31
  5. Step 5: Solve for x
    x = 427,220,448,553.31/911,191.41
  6. Step 6: Final answer
    x = 468,859.17

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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.