Home / 514,474.27-771,824.18-172,905.46

Finding the Fourth Proportional to 514,474.27, 771,824.18 and 172,905.46

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Solution

The fourth proportional to 514,474.27, 771,824.18 and 172,905.46 is: 259,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,474.27 : 771,824.18 = 172,905.46 : x
  2. Step 2: Convert to fraction form
    514,474.27/771,824.18 = 172,905.46/x
  3. Step 3: Cross multiply
    514,474.27x = 771,824.18 × 172,905.46
  4. Step 4: Simplify right side
    514,474.27x = 133,452,614,882.02
  5. Step 5: Solve for x
    x = 133,452,614,882.02/514,474.27
  6. Step 6: Final answer
    x = 259,396.09

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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.