Home / 383,528.28-529,271.64-213,773.52

Finding the Fourth Proportional to 383,528.28, 529,271.64 and 213,773.52

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Solution

The fourth proportional to 383,528.28, 529,271.64 and 213,773.52 is: 295,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,528.28 : 529,271.64 = 213,773.52 : x
  2. Step 2: Convert to fraction form
    383,528.28/529,271.64 = 213,773.52/x
  3. Step 3: Cross multiply
    383,528.28x = 529,271.64 × 213,773.52
  4. Step 4: Simplify right side
    383,528.28x = 113,144,261,518.97
  5. Step 5: Solve for x
    x = 113,144,261,518.97/383,528.28
  6. Step 6: Final answer
    x = 295,008.91

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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.