Home / 436,439.22-653,745.15-351,719.70

Finding the Fourth Proportional to 436,439.22, 653,745.15 and 351,719.70

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Solution

The fourth proportional to 436,439.22, 653,745.15 and 351,719.70 is: 526,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,439.22 : 653,745.15 = 351,719.70 : x
  2. Step 2: Convert to fraction form
    436,439.22/653,745.15 = 351,719.70/x
  3. Step 3: Cross multiply
    436,439.22x = 653,745.15 × 351,719.70
  4. Step 4: Simplify right side
    436,439.22x = 229,935,048,034.46
  5. Step 5: Solve for x
    x = 229,935,048,034.46/436,439.22
  6. Step 6: Final answer
    x = 526,843.23

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1.5x scale

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.