Home / 743,359.89-1,025,754.37-412,207.49

Finding the Fourth Proportional to 743,359.89, 1,025,754.37 and 412,207.49

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Solution

The fourth proportional to 743,359.89, 1,025,754.37 and 412,207.49 is: 568,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,359.89 : 1,025,754.37 = 412,207.49 : x
  2. Step 2: Convert to fraction form
    743,359.89/1,025,754.37 = 412,207.49/x
  3. Step 3: Cross multiply
    743,359.89x = 1,025,754.37 × 412,207.49
  4. Step 4: Simplify right side
    743,359.89x = 422,823,636,907.43
  5. Step 5: Solve for x
    x = 422,823,636,907.43/743,359.89
  6. Step 6: Final answer
    x = 568,800.72

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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.