Home / 888,370.41-1,226,029.20-525,611.37

Finding the Fourth Proportional to 888,370.41, 1,226,029.20 and 525,611.37

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Solution

The fourth proportional to 888,370.41, 1,226,029.20 and 525,611.37 is: 725,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,370.41 : 1,226,029.20 = 525,611.37 : x
  2. Step 2: Convert to fraction form
    888,370.41/1,226,029.20 = 525,611.37/x
  3. Step 3: Cross multiply
    888,370.41x = 1,226,029.20 × 525,611.37
  4. Step 4: Simplify right side
    888,370.41x = 644,414,887,472.00
  5. Step 5: Solve for x
    x = 644,414,887,472.00/888,370.41
  6. Step 6: Final answer
    x = 725,389.86

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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.