Home / 459,974.12-634,495.23-298,936.44

Finding the Fourth Proportional to 459,974.12, 634,495.23 and 298,936.44

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Solution

The fourth proportional to 459,974.12, 634,495.23 and 298,936.44 is: 412,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,974.12 : 634,495.23 = 298,936.44 : x
  2. Step 2: Convert to fraction form
    459,974.12/634,495.23 = 298,936.44/x
  3. Step 3: Cross multiply
    459,974.12x = 634,495.23 × 298,936.44
  4. Step 4: Simplify right side
    459,974.12x = 189,673,745,253.18
  5. Step 5: Solve for x
    x = 189,673,745,253.18/459,974.12
  6. Step 6: Final answer
    x = 412,357.43

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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.