Home / 352,176.40-526,882.20-318,998.80

Finding the Fourth Proportional to 352,176.40, 526,882.20 and 318,998.80

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Solution

The fourth proportional to 352,176.40, 526,882.20 and 318,998.80 is: 477,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,176.40 : 526,882.20 = 318,998.80 : x
  2. Step 2: Convert to fraction form
    352,176.40/526,882.20 = 318,998.80/x
  3. Step 3: Cross multiply
    352,176.40x = 526,882.20 × 318,998.80
  4. Step 4: Simplify right side
    352,176.40x = 168,074,789,541.36
  5. Step 5: Solve for x
    x = 168,074,789,541.36/352,176.40
  6. Step 6: Final answer
    x = 477,246.03

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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.