Home / 435,719.76-653,501.88-115,873.44

Finding the Fourth Proportional to 435,719.76, 653,501.88 and 115,873.44

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Solution

The fourth proportional to 435,719.76, 653,501.88 and 115,873.44 is: 173,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,719.76 : 653,501.88 = 115,873.44 : x
  2. Step 2: Convert to fraction form
    435,719.76/653,501.88 = 115,873.44/x
  3. Step 3: Cross multiply
    435,719.76x = 653,501.88 × 115,873.44
  4. Step 4: Simplify right side
    435,719.76x = 75,723,510,882.07
  5. Step 5: Solve for x
    x = 75,723,510,882.07/435,719.76
  6. Step 6: Final answer
    x = 173,789.48

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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.