Home / 892,890.56-1,232,198.91-525,448.91

Finding the Fourth Proportional to 892,890.56, 1,232,198.91 and 525,448.91

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Solution

The fourth proportional to 892,890.56, 1,232,198.91 and 525,448.91 is: 725,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,890.56 : 1,232,198.91 = 525,448.91 : x
  2. Step 2: Convert to fraction form
    892,890.56/1,232,198.91 = 525,448.91/x
  3. Step 3: Cross multiply
    892,890.56x = 1,232,198.91 × 525,448.91
  4. Step 4: Simplify right side
    892,890.56x = 647,457,568,001.69
  5. Step 5: Solve for x
    x = 647,457,568,001.69/892,890.56
  6. Step 6: Final answer
    x = 725,125.34

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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.