Home / 383,580.20-529,329.66-213,810.68

Finding the Fourth Proportional to 383,580.20, 529,329.66 and 213,810.68

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Solution

The fourth proportional to 383,580.20, 529,329.66 and 213,810.68 is: 295,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,580.20 : 529,329.66 = 213,810.68 : x
  2. Step 2: Convert to fraction form
    383,580.20/529,329.66 = 213,810.68/x
  3. Step 3: Cross multiply
    383,580.20x = 529,329.66 × 213,810.68
  4. Step 4: Simplify right side
    383,580.20x = 113,176,334,548.77
  5. Step 5: Solve for x
    x = 113,176,334,548.77/383,580.20
  6. Step 6: Final answer
    x = 295,052.60

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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.