Home / 756,263.57-1,043,643.87-412,099.56

Finding the Fourth Proportional to 756,263.57, 1,043,643.87 and 412,099.56

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Solution

The fourth proportional to 756,263.57, 1,043,643.87 and 412,099.56 is: 568,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,263.57 : 1,043,643.87 = 412,099.56 : x
  2. Step 2: Convert to fraction form
    756,263.57/1,043,643.87 = 412,099.56/x
  3. Step 3: Cross multiply
    756,263.57x = 1,043,643.87 × 412,099.56
  4. Step 4: Simplify right side
    756,263.57x = 430,085,179,623.70
  5. Step 5: Solve for x
    x = 430,085,179,623.70/756,263.57
  6. Step 6: Final answer
    x = 568,697.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.