Home / 353,480.28-529,834.78-173,689.44

Finding the Fourth Proportional to 353,480.28, 529,834.78 and 173,689.44

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Solution

The fourth proportional to 353,480.28, 529,834.78 and 173,689.44 is: 260,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,480.28 : 529,834.78 = 173,689.44 : x
  2. Step 2: Convert to fraction form
    353,480.28/529,834.78 = 173,689.44/x
  3. Step 3: Cross multiply
    353,480.28x = 529,834.78 × 173,689.44
  4. Step 4: Simplify right side
    353,480.28x = 92,026,706,230.72
  5. Step 5: Solve for x
    x = 92,026,706,230.72/353,480.28
  6. Step 6: Final answer
    x = 260,344.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.