Home / 623,813.10-936,049.32-442,614.94

Finding the Fourth Proportional to 623,813.10, 936,049.32 and 442,614.94

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Solution

The fourth proportional to 623,813.10, 936,049.32 and 442,614.94 is: 664,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,813.10 : 936,049.32 = 442,614.94 : x
  2. Step 2: Convert to fraction form
    623,813.10/936,049.32 = 442,614.94/x
  3. Step 3: Cross multiply
    623,813.10x = 936,049.32 × 442,614.94
  4. Step 4: Simplify right side
    623,813.10x = 414,309,413,608.84
  5. Step 5: Solve for x
    x = 414,309,413,608.84/623,813.10
  6. Step 6: Final answer
    x = 664,156.32

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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.