Home / 383,026.42-528,592.80-213,260.50

Finding the Fourth Proportional to 383,026.42, 528,592.80 and 213,260.50

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Solution

The fourth proportional to 383,026.42, 528,592.80 and 213,260.50 is: 294,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,026.42 : 528,592.80 = 213,260.50 : x
  2. Step 2: Convert to fraction form
    383,026.42/528,592.80 = 213,260.50/x
  3. Step 3: Cross multiply
    383,026.42x = 528,592.80 × 213,260.50
  4. Step 4: Simplify right side
    383,026.42x = 112,727,964,824.40
  5. Step 5: Solve for x
    x = 112,727,964,824.40/383,026.42
  6. Step 6: Final answer
    x = 294,308.59

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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.