Home / 756,274.32-1,043,645.18-412,113.29

Finding the Fourth Proportional to 756,274.32, 1,043,645.18 and 412,113.29

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Solution

The fourth proportional to 756,274.32, 1,043,645.18 and 412,113.29 is: 568,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,274.32 : 1,043,645.18 = 412,113.29 : x
  2. Step 2: Convert to fraction form
    756,274.32/1,043,645.18 = 412,113.29/x
  3. Step 3: Cross multiply
    756,274.32x = 1,043,645.18 × 412,113.29
  4. Step 4: Simplify right side
    756,274.32x = 430,100,041,443.65
  5. Step 5: Solve for x
    x = 430,100,041,443.65/756,274.32
  6. Step 6: Final answer
    x = 568,709.04

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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.