Home / 383,006.88-528,540.12-213,237.36

Finding the Fourth Proportional to 383,006.88, 528,540.12 and 213,237.36

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Solution

The fourth proportional to 383,006.88, 528,540.12 and 213,237.36 is: 294,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,006.88 : 528,540.12 = 213,237.36 : x
  2. Step 2: Convert to fraction form
    383,006.88/528,540.12 = 213,237.36/x
  3. Step 3: Cross multiply
    383,006.88x = 528,540.12 × 213,237.36
  4. Step 4: Simplify right side
    383,006.88x = 112,704,499,842.88
  5. Step 5: Solve for x
    x = 112,704,499,842.88/383,006.88
  6. Step 6: Final answer
    x = 294,262.34

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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.