Home / 686,104.75-946,824.56-417,832.75

Finding the Fourth Proportional to 686,104.75, 946,824.56 and 417,832.75

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Solution

The fourth proportional to 686,104.75, 946,824.56 and 417,832.75 is: 576,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,104.75 : 946,824.56 = 417,832.75 : x
  2. Step 2: Convert to fraction form
    686,104.75/946,824.56 = 417,832.75/x
  3. Step 3: Cross multiply
    686,104.75x = 946,824.56 × 417,832.75
  4. Step 4: Simplify right side
    686,104.75x = 395,614,309,672.34
  5. Step 5: Solve for x
    x = 395,614,309,672.34/686,104.75
  6. Step 6: Final answer
    x = 576,609.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.