Home / 756,274.32-1,043,645.13-412,113.24

Finding the Fourth Proportional to 756,274.32, 1,043,645.13 and 412,113.24

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Solution

The fourth proportional to 756,274.32, 1,043,645.13 and 412,113.24 is: 568,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,274.32 : 1,043,645.13 = 412,113.24 : x
  2. Step 2: Convert to fraction form
    756,274.32/1,043,645.13 = 412,113.24/x
  3. Step 3: Cross multiply
    756,274.32x = 1,043,645.13 × 412,113.24
  4. Step 4: Simplify right side
    756,274.32x = 430,099,975,934.52
  5. Step 5: Solve for x
    x = 430,099,975,934.52/756,274.32
  6. Step 6: Final answer
    x = 568,708.95

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Double scale
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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.