Home / 686,320.08-947,175.36-441,523.44

Finding the Fourth Proportional to 686,320.08, 947,175.36 and 441,523.44

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Solution

The fourth proportional to 686,320.08, 947,175.36 and 441,523.44 is: 609,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,320.08 : 947,175.36 = 441,523.44 : x
  2. Step 2: Convert to fraction form
    686,320.08/947,175.36 = 441,523.44/x
  3. Step 3: Cross multiply
    686,320.08x = 947,175.36 × 441,523.44
  4. Step 4: Simplify right side
    686,320.08x = 418,200,123,230.44
  5. Step 5: Solve for x
    x = 418,200,123,230.44/686,320.08
  6. Step 6: Final answer
    x = 609,336.86

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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.