Home / 905,579.56-1,358,415.85-231,666.68

Finding the Fourth Proportional to 905,579.56, 1,358,415.85 and 231,666.68

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Solution

The fourth proportional to 905,579.56, 1,358,415.85 and 231,666.68 is: 347,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,579.56 : 1,358,415.85 = 231,666.68 : x
  2. Step 2: Convert to fraction form
    905,579.56/1,358,415.85 = 231,666.68/x
  3. Step 3: Cross multiply
    905,579.56x = 1,358,415.85 × 231,666.68
  4. Step 4: Simplify right side
    905,579.56x = 314,699,682,078.47
  5. Step 5: Solve for x
    x = 314,699,682,078.47/905,579.56
  6. Step 6: Final answer
    x = 347,511.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.