Home / 756,280.32-1,043,653.46-412,119.29

Finding the Fourth Proportional to 756,280.32, 1,043,653.46 and 412,119.29

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Solution

The fourth proportional to 756,280.32, 1,043,653.46 and 412,119.29 is: 568,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,280.32 : 1,043,653.46 = 412,119.29 : x
  2. Step 2: Convert to fraction form
    756,280.32/1,043,653.46 = 412,119.29/x
  3. Step 3: Cross multiply
    756,280.32x = 1,043,653.46 × 412,119.29
  4. Step 4: Simplify right side
    756,280.32x = 430,109,715,662.38
  5. Step 5: Solve for x
    x = 430,109,715,662.38/756,280.32
  6. Step 6: Final answer
    x = 568,717.32

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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.